155381940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{223}}^1$

素因数の和:331

約数の個数: 216

約数和(自身を含む): 557706240

約数和(自身を除く): 402324300

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 79, 84, 90, 98, 105, 126, 140, 147, 158, 180, 196, 210, 223, 237, 245, 252, 294, 315, 316, 395, 420, 441, 446, 474, 490, 553, 588, 630, 669, 711, 735, 790, 882, 892, 948, 980, 1106, 1115, 1185, 1260, 1338, 1422, 1470, 1561, 1580, 1659, 1764, 2007, 2205, 2212, 2230, 2370, 2676, 2765, 2844, 2940, 3122, 3318, 3345, 3555, 3871, 4014, 4410, 4460, 4683, 4740, 4977, 5530, 6244, 6636, 6690, 7110, 7742, 7805, 8028, 8295, 8820, 9366, 9954, 10035, 10927, 11060, 11613, 13380, 14049, 14220, 15484, 15610, 16590, 17617, 18732, 19355, 19908, 20070, 21854, 23226, 23415, 24885, 28098, 31220, 32781, 33180, 34839, 35234, 38710, 40140, 43708, 46452, 46830, 49770, 52851, 54635, 56196, 58065, 65562, 69678, 70245, 70468, 77420, 88085, 93660, 98343, 99540, 105702, 109270, 116130, 123319, 131124, 139356, 140490, 158553, 163905, 174195, 176170, 196686, 211404, 218540, 232260, 246638, 264255, 280980, 317106, 327810, 348390, 352340, 369957, 393372, 491715, 493276, 528510, 616595, 634212, 655620, 696780, 739914, 792765, 863233, 983430, 1057020, 1109871, 1233190, 1479828, 1585530, 1726466, 1849785, 1966860, 2219742, 2466380, 2589699, 3171060, 3452932, 3699570, 4316165, 4439484, 5179398, 5549355, 7399140, 7769097, 8632330, 10358796, 11098710, 12948495, 15538194, 17264660, 22197420, 25896990, 31076388, 38845485, 51793980, 77690970, 155381940]

約数ペア:

[(1, 155381940), (2, 77690970), (3, 51793980), (4, 38845485), (5, 31076388), (6, 25896990), (7, 22197420), (9, 17264660), (10, 15538194), (12, 12948495), (14, 11098710), (15, 10358796), (18, 8632330), (20, 7769097), (21, 7399140), (28, 5549355), (30, 5179398), (35, 4439484), (36, 4316165), (42, 3699570), (45, 3452932), (49, 3171060), (60, 2589699), (63, 2466380), (70, 2219742), (79, 1966860), (84, 1849785), (90, 1726466), (98, 1585530), (105, 1479828), (126, 1233190), (140, 1109871), (147, 1057020), (158, 983430), (180, 863233), (196, 792765), (210, 739914), (223, 696780), (237, 655620), (245, 634212), (252, 616595), (294, 528510), (315, 493276), (316, 491715), (395, 393372), (420, 369957), (441, 352340), (446, 348390), (474, 327810), (490, 317106), (553, 280980), (588, 264255), (630, 246638), (669, 232260), (711, 218540), (735, 211404), (790, 196686), (882, 176170), (892, 174195), (948, 163905), (980, 158553), (1106, 140490), (1115, 139356), (1185, 131124), (1260, 123319), (1338, 116130), (1422, 109270), (1470, 105702), (1561, 99540), (1580, 98343), (1659, 93660), (1764, 88085), (2007, 77420), (2205, 70468), (2212, 70245), (2230, 69678), (2370, 65562), (2676, 58065), (2765, 56196), (2844, 54635), (2940, 52851), (3122, 49770), (3318, 46830), (3345, 46452), (3555, 43708), (3871, 40140), (4014, 38710), (4410, 35234), (4460, 34839), (4683, 33180), (4740, 32781), (4977, 31220), (5530, 28098), (6244, 24885), (6636, 23415), (6690, 23226), (7110, 21854), (7742, 20070), (7805, 19908), (8028, 19355), (8295, 18732), (8820, 17617), (9366, 16590), (9954, 15610), (10035, 15484), (10927, 14220), (11060, 14049), (11613, 13380)]