155540840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:236

約数の個数: 192

約数和(自身を含む): 458524800

約数和(自身を除く): 302983960

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 19, 20, 26, 28, 35, 38, 40, 52, 56, 65, 70, 76, 91, 95, 104, 130, 133, 140, 152, 169, 173, 182, 190, 247, 260, 266, 280, 338, 346, 364, 380, 455, 494, 520, 532, 665, 676, 692, 728, 760, 845, 865, 910, 988, 1064, 1183, 1211, 1235, 1330, 1352, 1384, 1690, 1729, 1730, 1820, 1976, 2249, 2366, 2422, 2470, 2660, 3211, 3287, 3380, 3458, 3460, 3640, 4498, 4732, 4844, 4940, 5320, 5915, 6055, 6422, 6574, 6760, 6916, 6920, 8645, 8996, 9464, 9688, 9880, 11245, 11830, 12110, 12844, 13148, 13832, 15743, 16055, 16435, 17290, 17992, 22477, 22490, 23009, 23660, 24220, 25688, 26296, 29237, 31486, 32110, 32870, 34580, 42731, 44954, 44980, 46018, 47320, 48440, 58474, 62972, 64220, 65740, 69160, 78715, 85462, 89908, 89960, 92036, 112385, 115045, 116948, 125944, 128440, 131480, 146185, 157430, 170924, 179816, 184072, 204659, 213655, 224770, 230090, 233896, 292370, 299117, 314860, 341848, 409318, 427310, 449540, 460180, 555503, 584740, 598234, 629720, 818636, 854620, 899080, 920360, 1023295, 1111006, 1169480, 1196468, 1495585, 1637272, 1709240, 2046590, 2222012, 2392936, 2777515, 2991170, 3888521, 4093180, 4444024, 5555030, 5982340, 7777042, 8186360, 11110060, 11964680, 15554084, 19442605, 22220120, 31108168, 38885210, 77770420, 155540840]

約数ペア:

[(1, 155540840), (2, 77770420), (4, 38885210), (5, 31108168), (7, 22220120), (8, 19442605), (10, 15554084), (13, 11964680), (14, 11110060), (19, 8186360), (20, 7777042), (26, 5982340), (28, 5555030), (35, 4444024), (38, 4093180), (40, 3888521), (52, 2991170), (56, 2777515), (65, 2392936), (70, 2222012), (76, 2046590), (91, 1709240), (95, 1637272), (104, 1495585), (130, 1196468), (133, 1169480), (140, 1111006), (152, 1023295), (169, 920360), (173, 899080), (182, 854620), (190, 818636), (247, 629720), (260, 598234), (266, 584740), (280, 555503), (338, 460180), (346, 449540), (364, 427310), (380, 409318), (455, 341848), (494, 314860), (520, 299117), (532, 292370), (665, 233896), (676, 230090), (692, 224770), (728, 213655), (760, 204659), (845, 184072), (865, 179816), (910, 170924), (988, 157430), (1064, 146185), (1183, 131480), (1211, 128440), (1235, 125944), (1330, 116948), (1352, 115045), (1384, 112385), (1690, 92036), (1729, 89960), (1730, 89908), (1820, 85462), (1976, 78715), (2249, 69160), (2366, 65740), (2422, 64220), (2470, 62972), (2660, 58474), (3211, 48440), (3287, 47320), (3380, 46018), (3458, 44980), (3460, 44954), (3640, 42731), (4498, 34580), (4732, 32870), (4844, 32110), (4940, 31486), (5320, 29237), (5915, 26296), (6055, 25688), (6422, 24220), (6574, 23660), (6760, 23009), (6916, 22490), (6920, 22477), (8645, 17992), (8996, 17290), (9464, 16435), (9688, 16055), (9880, 15743), (11245, 13832), (11830, 13148), (12110, 12844)]