210456540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:249

約数の個数: 288

約数和(自身を含む): 786240000

約数和(自身を除く): 575783460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 59, 60, 63, 70, 76, 84, 90, 95, 105, 114, 118, 126, 133, 140, 149, 171, 177, 180, 190, 210, 228, 236, 252, 266, 285, 295, 298, 315, 342, 354, 380, 399, 413, 420, 447, 531, 532, 570, 590, 596, 630, 665, 684, 708, 745, 798, 826, 855, 885, 894, 1043, 1062, 1121, 1140, 1180, 1197, 1239, 1260, 1330, 1341, 1490, 1596, 1652, 1710, 1770, 1788, 1995, 2065, 2086, 2124, 2235, 2242, 2394, 2478, 2655, 2660, 2682, 2831, 2980, 3129, 3363, 3420, 3540, 3717, 3990, 4130, 4172, 4470, 4484, 4788, 4956, 5215, 5310, 5364, 5605, 5662, 5985, 6195, 6258, 6705, 6726, 7434, 7847, 7980, 8260, 8493, 8791, 8940, 9387, 10089, 10430, 10620, 11210, 11324, 11970, 12390, 12516, 13410, 13452, 14155, 14868, 15645, 15694, 16815, 16986, 17582, 18585, 18774, 19817, 20178, 20860, 22420, 23541, 23940, 24780, 25479, 26373, 26820, 28310, 31290, 31388, 33630, 33972, 35164, 37170, 37548, 39235, 39634, 40356, 42465, 43955, 46935, 47082, 50445, 50958, 52746, 56620, 59451, 61537, 62580, 67260, 70623, 74340, 78470, 79119, 79268, 84930, 87910, 93870, 94164, 99085, 100890, 101916, 105492, 117705, 118902, 123074, 127395, 131865, 141246, 156940, 158238, 167029, 169860, 175820, 178353, 184611, 187740, 198170, 201780, 235410, 237804, 246148, 254790, 263730, 282492, 297255, 307685, 316476, 334058, 353115, 356706, 369222, 395595, 396340, 470820, 501087, 509580, 527460, 553833, 594510, 615370, 668116, 706230, 713412, 738444, 791190, 835145, 891765, 923055, 1002174, 1107666, 1169203, 1189020, 1230740, 1412460, 1503261, 1582380, 1670290, 1783530, 1846110, 2004348, 2215332, 2338406, 2505435, 2769165, 3006522, 3340580, 3507609, 3567060, 3692220, 4676812, 5010870, 5538330, 5846015, 6013044, 7015218, 7516305, 10021740, 10522827, 11076660, 11692030, 14030436, 15032610, 17538045, 21045654, 23384060, 30065220, 35076090, 42091308, 52614135, 70152180, 105228270, 210456540]

約数ペア:

[(1, 210456540), (2, 105228270), (3, 70152180), (4, 52614135), (5, 42091308), (6, 35076090), (7, 30065220), (9, 23384060), (10, 21045654), (12, 17538045), (14, 15032610), (15, 14030436), (18, 11692030), (19, 11076660), (20, 10522827), (21, 10021740), (28, 7516305), (30, 7015218), (35, 6013044), (36, 5846015), (38, 5538330), (42, 5010870), (45, 4676812), (57, 3692220), (59, 3567060), (60, 3507609), (63, 3340580), (70, 3006522), (76, 2769165), (84, 2505435), (90, 2338406), (95, 2215332), (105, 2004348), (114, 1846110), (118, 1783530), (126, 1670290), (133, 1582380), (140, 1503261), (149, 1412460), (171, 1230740), (177, 1189020), (180, 1169203), (190, 1107666), (210, 1002174), (228, 923055), (236, 891765), (252, 835145), (266, 791190), (285, 738444), (295, 713412), (298, 706230), (315, 668116), (342, 615370), (354, 594510), (380, 553833), (399, 527460), (413, 509580), (420, 501087), (447, 470820), (531, 396340), (532, 395595), (570, 369222), (590, 356706), (596, 353115), (630, 334058), (665, 316476), (684, 307685), (708, 297255), (745, 282492), (798, 263730), (826, 254790), (855, 246148), (885, 237804), (894, 235410), (1043, 201780), (1062, 198170), (1121, 187740), (1140, 184611), (1180, 178353), (1197, 175820), (1239, 169860), (1260, 167029), (1330, 158238), (1341, 156940), (1490, 141246), (1596, 131865), (1652, 127395), (1710, 123074), (1770, 118902), (1788, 117705), (1995, 105492), (2065, 101916), (2086, 100890), (2124, 99085), (2235, 94164), (2242, 93870), (2394, 87910), (2478, 84930), (2655, 79268), (2660, 79119), (2682, 78470), (2831, 74340), (2980, 70623), (3129, 67260), (3363, 62580), (3420, 61537), (3540, 59451), (3717, 56620), (3990, 52746), (4130, 50958), (4172, 50445), (4470, 47082), (4484, 46935), (4788, 43955), (4956, 42465), (5215, 40356), (5310, 39634), (5364, 39235), (5605, 37548), (5662, 37170), (5985, 35164), (6195, 33972), (6258, 33630), (6705, 31388), (6726, 31290), (7434, 28310), (7847, 26820), (7980, 26373), (8260, 25479), (8493, 24780), (8791, 23940), (8940, 23541), (9387, 22420), (10089, 20860), (10430, 20178), (10620, 19817), (11210, 18774), (11324, 18585), (11970, 17582), (12390, 16986), (12516, 16815), (13410, 15694), (13452, 15645), (14155, 14868)]