161369460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1439}}^1$

素因数の和:1550

約数の個数: 144

約数和(自身を含む): 566092800

約数和(自身を除く): 404723340

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 89, 90, 105, 126, 140, 178, 180, 210, 252, 267, 315, 356, 420, 445, 534, 623, 630, 801, 890, 1068, 1246, 1260, 1335, 1439, 1602, 1780, 1869, 2492, 2670, 2878, 3115, 3204, 3738, 4005, 4317, 5340, 5607, 5756, 6230, 7195, 7476, 8010, 8634, 9345, 10073, 11214, 12460, 12951, 14390, 16020, 17268, 18690, 20146, 21585, 22428, 25902, 28035, 28780, 30219, 37380, 40292, 43170, 50365, 51804, 56070, 60438, 64755, 86340, 90657, 100730, 112140, 120876, 128071, 129510, 151095, 181314, 201460, 256142, 259020, 302190, 362628, 384213, 453285, 512284, 604380, 640355, 768426, 896497, 906570, 1152639, 1280710, 1536852, 1792994, 1813140, 1921065, 2305278, 2561420, 2689491, 3585988, 3842130, 4482485, 4610556, 5378982, 5763195, 7684260, 8068473, 8964970, 10757964, 11526390, 13447455, 16136946, 17929940, 23052780, 26894910, 32273892, 40342365, 53789820, 80684730, 161369460]

約数ペア:

[(1, 161369460), (2, 80684730), (3, 53789820), (4, 40342365), (5, 32273892), (6, 26894910), (7, 23052780), (9, 17929940), (10, 16136946), (12, 13447455), (14, 11526390), (15, 10757964), (18, 8964970), (20, 8068473), (21, 7684260), (28, 5763195), (30, 5378982), (35, 4610556), (36, 4482485), (42, 3842130), (45, 3585988), (60, 2689491), (63, 2561420), (70, 2305278), (84, 1921065), (89, 1813140), (90, 1792994), (105, 1536852), (126, 1280710), (140, 1152639), (178, 906570), (180, 896497), (210, 768426), (252, 640355), (267, 604380), (315, 512284), (356, 453285), (420, 384213), (445, 362628), (534, 302190), (623, 259020), (630, 256142), (801, 201460), (890, 181314), (1068, 151095), (1246, 129510), (1260, 128071), (1335, 120876), (1439, 112140), (1602, 100730), (1780, 90657), (1869, 86340), (2492, 64755), (2670, 60438), (2878, 56070), (3115, 51804), (3204, 50365), (3738, 43170), (4005, 40292), (4317, 37380), (5340, 30219), (5607, 28780), (5756, 28035), (6230, 25902), (7195, 22428), (7476, 21585), (8010, 20146), (8634, 18690), (9345, 17268), (10073, 16020), (11214, 14390), (12460, 12951)]