201720321720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{61}}^2\times {\mathrm{150587}}^1$

素因数の和:150726

約数の個数: 144

約数和(自身を含む): 666519052680

約数和(自身を除く): 464798730960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 61, 72, 90, 120, 122, 180, 183, 244, 305, 360, 366, 488, 549, 610, 732, 915, 1098, 1220, 1464, 1830, 2196, 2440, 2745, 3660, 3721, 4392, 5490, 7320, 7442, 10980, 11163, 14884, 18605, 21960, 22326, 29768, 33489, 37210, 44652, 55815, 66978, 74420, 89304, 111630, 133956, 148840, 150587, 167445, 223260, 267912, 301174, 334890, 446520, 451761, 602348, 669780, 752935, 903522, 1204696, 1339560, 1355283, 1505870, 1807044, 2258805, 2710566, 3011740, 3614088, 4517610, 5421132, 6023480, 6776415, 9035220, 9185807, 10842264, 13552830, 18070440, 18371614, 27105660, 27557421, 36743228, 45929035, 54211320, 55114842, 73486456, 82672263, 91858070, 110229684, 137787105, 165344526, 183716140, 220459368, 275574210, 330689052, 367432280, 413361315, 551148420, 560334227, 661378104, 826722630, 1102296840, 1120668454, 1653445260, 1681002681, 2241336908, 2801671135, 3306890520, 3362005362, 4482673816, 5043008043, 5603342270, 6724010724, 8405013405, 10086016086, 11206684540, 13448021448, 16810026810, 20172032172, 22413369080, 25215040215, 33620053620, 40344064344, 50430080430, 67240107240, 100860160860, 201720321720]

約数ペア:

[(1, 201720321720), (2, 100860160860), (3, 67240107240), (4, 50430080430), (5, 40344064344), (6, 33620053620), (8, 25215040215), (9, 22413369080), (10, 20172032172), (12, 16810026810), (15, 13448021448), (18, 11206684540), (20, 10086016086), (24, 8405013405), (30, 6724010724), (36, 5603342270), (40, 5043008043), (45, 4482673816), (60, 3362005362), (61, 3306890520), (72, 2801671135), (90, 2241336908), (120, 1681002681), (122, 1653445260), (180, 1120668454), (183, 1102296840), (244, 826722630), (305, 661378104), (360, 560334227), (366, 551148420), (488, 413361315), (549, 367432280), (610, 330689052), (732, 275574210), (915, 220459368), (1098, 183716140), (1220, 165344526), (1464, 137787105), (1830, 110229684), (2196, 91858070), (2440, 82672263), (2745, 73486456), (3660, 55114842), (3721, 54211320), (4392, 45929035), (5490, 36743228), (7320, 27557421), (7442, 27105660), (10980, 18371614), (11163, 18070440), (14884, 13552830), (18605, 10842264), (21960, 9185807), (22326, 9035220), (29768, 6776415), (33489, 6023480), (37210, 5421132), (44652, 4517610), (55815, 3614088), (66978, 3011740), (74420, 2710566), (89304, 2258805), (111630, 1807044), (133956, 1505870), (148840, 1355283), (150587, 1339560), (167445, 1204696), (223260, 903522), (267912, 752935), (301174, 669780), (334890, 602348), (446520, 451761)]