55216980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3371}}^1$

素因数の和:3406

約数の個数: 144

約数和(自身を含む): 206204544

約数和(自身を除く): 150987564

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 3371, 4095, 5460, 6742, 8190, 10113, 13484, 16380, 16855, 20226, 23597, 30339, 33710, 40452, 43823, 47194, 50565, 60678, 67420, 70791, 87646, 94388, 101130, 117985, 121356, 131469, 141582, 151695, 175292, 202260, 212373, 219115, 235970, 262938, 283164, 303390, 306761, 353955, 394407, 424746, 438230, 471940, 525876, 606780, 613522, 657345, 707910, 788814, 849492, 876460, 920283, 1061865, 1227044, 1314690, 1415820, 1533805, 1577628, 1840566, 1972035, 2123730, 2629380, 2760849, 3067610, 3681132, 3944070, 4247460, 4601415, 5521698, 6135220, 7888140, 9202830, 11043396, 13804245, 18405660, 27608490, 55216980]

約数ペア:

[(1, 55216980), (2, 27608490), (3, 18405660), (4, 13804245), (5, 11043396), (6, 9202830), (7, 7888140), (9, 6135220), (10, 5521698), (12, 4601415), (13, 4247460), (14, 3944070), (15, 3681132), (18, 3067610), (20, 2760849), (21, 2629380), (26, 2123730), (28, 1972035), (30, 1840566), (35, 1577628), (36, 1533805), (39, 1415820), (42, 1314690), (45, 1227044), (52, 1061865), (60, 920283), (63, 876460), (65, 849492), (70, 788814), (78, 707910), (84, 657345), (90, 613522), (91, 606780), (105, 525876), (117, 471940), (126, 438230), (130, 424746), (140, 394407), (156, 353955), (180, 306761), (182, 303390), (195, 283164), (210, 262938), (234, 235970), (252, 219115), (260, 212373), (273, 202260), (315, 175292), (364, 151695), (390, 141582), (420, 131469), (455, 121356), (468, 117985), (546, 101130), (585, 94388), (630, 87646), (780, 70791), (819, 67420), (910, 60678), (1092, 50565), (1170, 47194), (1260, 43823), (1365, 40452), (1638, 33710), (1820, 30339), (2340, 23597), (2730, 20226), (3276, 16855), (3371, 16380), (4095, 13484), (5460, 10113), (6742, 8190)]