54428920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{787}}^1$

素因数の和:837

約数の個数: 128

約数和(自身を含む): 158860800

約数和(自身を除く): 104431880

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, 182, 190, 247, 260, 266, 280, 364, 380, 455, 494, 520, 532, 665, 728, 760, 787, 910, 988, 1064, 1235, 1330, 1574, 1729, 1820, 1976, 2470, 2660, 3148, 3458, 3640, 3935, 4940, 5320, 5509, 6296, 6916, 7870, 8645, 9880, 10231, 11018, 13832, 14953, 15740, 17290, 20462, 22036, 27545, 29906, 31480, 34580, 40924, 44072, 51155, 55090, 59812, 69160, 71617, 74765, 81848, 102310, 104671, 110180, 119624, 143234, 149530, 194389, 204620, 209342, 220360, 286468, 299060, 358085, 388778, 409240, 418684, 523355, 572936, 598120, 716170, 777556, 837368, 971945, 1046710, 1360723, 1432340, 1555112, 1943890, 2093420, 2721446, 2864680, 3887780, 4186840, 5442892, 6803615, 7775560, 10885784, 13607230, 27214460, 54428920]

約数ペア:

[(1, 54428920), (2, 27214460), (4, 13607230), (5, 10885784), (7, 7775560), (8, 6803615), (10, 5442892), (13, 4186840), (14, 3887780), (19, 2864680), (20, 2721446), (26, 2093420), (28, 1943890), (35, 1555112), (38, 1432340), (40, 1360723), (52, 1046710), (56, 971945), (65, 837368), (70, 777556), (76, 716170), (91, 598120), (95, 572936), (104, 523355), (130, 418684), (133, 409240), (140, 388778), (152, 358085), (182, 299060), (190, 286468), (247, 220360), (260, 209342), (266, 204620), (280, 194389), (364, 149530), (380, 143234), (455, 119624), (494, 110180), (520, 104671), (532, 102310), (665, 81848), (728, 74765), (760, 71617), (787, 69160), (910, 59812), (988, 55090), (1064, 51155), (1235, 44072), (1330, 40924), (1574, 34580), (1729, 31480), (1820, 29906), (1976, 27545), (2470, 22036), (2660, 20462), (3148, 17290), (3458, 15740), (3640, 14953), (3935, 13832), (4940, 11018), (5320, 10231), (5509, 9880), (6296, 8645), (6916, 7870)]