72489780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1181}}^1$

素因数の和:1238

約数の個数: 144

約数和(自身を含む): 247822848

約数和(自身を除く): 175333068

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 31, 33, 36, 44, 45, 55, 60, 62, 66, 90, 93, 99, 110, 124, 132, 155, 165, 180, 186, 198, 220, 279, 310, 330, 341, 372, 396, 465, 495, 558, 620, 660, 682, 930, 990, 1023, 1116, 1181, 1364, 1395, 1705, 1860, 1980, 2046, 2362, 2790, 3069, 3410, 3543, 4092, 4724, 5115, 5580, 5905, 6138, 6820, 7086, 10230, 10629, 11810, 12276, 12991, 14172, 15345, 17715, 20460, 21258, 23620, 25982, 30690, 35430, 36611, 38973, 42516, 51964, 53145, 61380, 64955, 70860, 73222, 77946, 106290, 109833, 116919, 129910, 146444, 155892, 183055, 194865, 212580, 219666, 233838, 259820, 329499, 366110, 389730, 402721, 439332, 467676, 549165, 584595, 658998, 732220, 779460, 805442, 1098330, 1169190, 1208163, 1317996, 1610884, 1647495, 2013605, 2196660, 2338380, 2416326, 3294990, 3624489, 4027210, 4832652, 6040815, 6589980, 7248978, 8054420, 12081630, 14497956, 18122445, 24163260, 36244890, 72489780]

約数ペア:

[(1, 72489780), (2, 36244890), (3, 24163260), (4, 18122445), (5, 14497956), (6, 12081630), (9, 8054420), (10, 7248978), (11, 6589980), (12, 6040815), (15, 4832652), (18, 4027210), (20, 3624489), (22, 3294990), (30, 2416326), (31, 2338380), (33, 2196660), (36, 2013605), (44, 1647495), (45, 1610884), (55, 1317996), (60, 1208163), (62, 1169190), (66, 1098330), (90, 805442), (93, 779460), (99, 732220), (110, 658998), (124, 584595), (132, 549165), (155, 467676), (165, 439332), (180, 402721), (186, 389730), (198, 366110), (220, 329499), (279, 259820), (310, 233838), (330, 219666), (341, 212580), (372, 194865), (396, 183055), (465, 155892), (495, 146444), (558, 129910), (620, 116919), (660, 109833), (682, 106290), (930, 77946), (990, 73222), (1023, 70860), (1116, 64955), (1181, 61380), (1364, 53145), (1395, 51964), (1705, 42516), (1860, 38973), (1980, 36611), (2046, 35430), (2362, 30690), (2790, 25982), (3069, 23620), (3410, 21258), (3543, 20460), (4092, 17715), (4724, 15345), (5115, 14172), (5580, 12991), (5905, 12276), (6138, 11810), (6820, 10629), (7086, 10230)]