660209340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1$

素因数の和:321

約数の個数: 288

約数和(自身を含む): 2316625920

約数和(自身を除く): 1656416580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 53, 57, 60, 70, 76, 84, 95, 98, 105, 106, 114, 133, 140, 147, 159, 190, 196, 210, 212, 223, 228, 245, 265, 266, 285, 294, 318, 371, 380, 399, 420, 446, 490, 530, 532, 570, 588, 636, 665, 669, 735, 742, 795, 798, 892, 931, 980, 1007, 1060, 1113, 1115, 1140, 1330, 1338, 1470, 1484, 1561, 1590, 1596, 1855, 1862, 1995, 2014, 2226, 2230, 2597, 2660, 2676, 2793, 2940, 3021, 3122, 3180, 3345, 3710, 3724, 3990, 4028, 4237, 4452, 4460, 4655, 4683, 5035, 5194, 5565, 5586, 6042, 6244, 6690, 7049, 7420, 7791, 7805, 7980, 8474, 9310, 9366, 10070, 10388, 10927, 11130, 11172, 11819, 12084, 12711, 12985, 13380, 13965, 14098, 15105, 15582, 15610, 16948, 18620, 18732, 20140, 21147, 21185, 21854, 22260, 23415, 23638, 25422, 25970, 27930, 28196, 29659, 30210, 31164, 31220, 32781, 35245, 35457, 38955, 42294, 42370, 43708, 46830, 47276, 49343, 50844, 51940, 54635, 55860, 59095, 59318, 60420, 63555, 65562, 70490, 70914, 77910, 82733, 84588, 84740, 88977, 93660, 98686, 105735, 109270, 118190, 118636, 127110, 131124, 140980, 141828, 148029, 148295, 155820, 163905, 165466, 177285, 177954, 197372, 207613, 211470, 218540, 224561, 236380, 246715, 248199, 254220, 296058, 296590, 327810, 330932, 354570, 355908, 413665, 415226, 422940, 444885, 449122, 493430, 496398, 579131, 592116, 593180, 622839, 655620, 673683, 709140, 740145, 827330, 830452, 889770, 898244, 986860, 992796, 1038065, 1122805, 1158262, 1240995, 1245678, 1347366, 1480290, 1571927, 1654660, 1737393, 1779540, 2076130, 2245610, 2316524, 2481990, 2491356, 2694732, 2895655, 2960580, 3114195, 3143854, 3368415, 3474786, 4152260, 4491220, 4715781, 4963980, 5791310, 6228390, 6287708, 6736830, 6949572, 7859635, 8686965, 9431562, 11003489, 11582620, 12456780, 13473660, 15719270, 17373930, 18863124, 22006978, 23578905, 31438540, 33010467, 34747860, 44013956, 47157810, 55017445, 66020934, 94315620, 110034890, 132041868, 165052335, 220069780, 330104670, 660209340]

約数ペア:

[(1, 660209340), (2, 330104670), (3, 220069780), (4, 165052335), (5, 132041868), (6, 110034890), (7, 94315620), (10, 66020934), (12, 55017445), (14, 47157810), (15, 44013956), (19, 34747860), (20, 33010467), (21, 31438540), (28, 23578905), (30, 22006978), (35, 18863124), (38, 17373930), (42, 15719270), (49, 13473660), (53, 12456780), (57, 11582620), (60, 11003489), (70, 9431562), (76, 8686965), (84, 7859635), (95, 6949572), (98, 6736830), (105, 6287708), (106, 6228390), (114, 5791310), (133, 4963980), (140, 4715781), (147, 4491220), (159, 4152260), (190, 3474786), (196, 3368415), (210, 3143854), (212, 3114195), (223, 2960580), (228, 2895655), (245, 2694732), (265, 2491356), (266, 2481990), (285, 2316524), (294, 2245610), (318, 2076130), (371, 1779540), (380, 1737393), (399, 1654660), (420, 1571927), (446, 1480290), (490, 1347366), (530, 1245678), (532, 1240995), (570, 1158262), (588, 1122805), (636, 1038065), (665, 992796), (669, 986860), (735, 898244), (742, 889770), (795, 830452), (798, 827330), (892, 740145), (931, 709140), (980, 673683), (1007, 655620), (1060, 622839), (1113, 593180), (1115, 592116), (1140, 579131), (1330, 496398), (1338, 493430), (1470, 449122), (1484, 444885), (1561, 422940), (1590, 415226), (1596, 413665), (1855, 355908), (1862, 354570), (1995, 330932), (2014, 327810), (2226, 296590), (2230, 296058), (2597, 254220), (2660, 248199), (2676, 246715), (2793, 236380), (2940, 224561), (3021, 218540), (3122, 211470), (3180, 207613), (3345, 197372), (3710, 177954), (3724, 177285), (3990, 165466), (4028, 163905), (4237, 155820), (4452, 148295), (4460, 148029), (4655, 141828), (4683, 140980), (5035, 131124), (5194, 127110), (5565, 118636), (5586, 118190), (6042, 109270), (6244, 105735), (6690, 98686), (7049, 93660), (7420, 88977), (7791, 84740), (7805, 84588), (7980, 82733), (8474, 77910), (9310, 70914), (9366, 70490), (10070, 65562), (10388, 63555), (10927, 60420), (11130, 59318), (11172, 59095), (11819, 55860), (12084, 54635), (12711, 51940), (12985, 50844), (13380, 49343), (13965, 47276), (14098, 46830), (15105, 43708), (15582, 42370), (15610, 42294), (16948, 38955), (18620, 35457), (18732, 35245), (20140, 32781), (21147, 31220), (21185, 31164), (21854, 30210), (22260, 29659), (23415, 28196), (23638, 27930), (25422, 25970)]