31966440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1$

素因数の和:483

約数の個数: 128

約数和(自身を含む): 106600320

約数和(自身を除く): 74633880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 61, 66, 88, 110, 120, 122, 132, 165, 183, 220, 244, 264, 305, 330, 366, 397, 440, 488, 610, 660, 671, 732, 794, 915, 1191, 1220, 1320, 1342, 1464, 1588, 1830, 1985, 2013, 2382, 2440, 2684, 3176, 3355, 3660, 3970, 4026, 4367, 4764, 5368, 5955, 6710, 7320, 7940, 8052, 8734, 9528, 10065, 11910, 13101, 13420, 15880, 16104, 17468, 20130, 21835, 23820, 24217, 26202, 26840, 34936, 40260, 43670, 47640, 48434, 52404, 65505, 72651, 80520, 87340, 96868, 104808, 121085, 131010, 145302, 174680, 193736, 242170, 262020, 266387, 290604, 363255, 484340, 524040, 532774, 581208, 726510, 799161, 968680, 1065548, 1331935, 1453020, 1598322, 2131096, 2663870, 2906040, 3196644, 3995805, 5327740, 6393288, 7991610, 10655480, 15983220, 31966440]

約数ペア:

[(1, 31966440), (2, 15983220), (3, 10655480), (4, 7991610), (5, 6393288), (6, 5327740), (8, 3995805), (10, 3196644), (11, 2906040), (12, 2663870), (15, 2131096), (20, 1598322), (22, 1453020), (24, 1331935), (30, 1065548), (33, 968680), (40, 799161), (44, 726510), (55, 581208), (60, 532774), (61, 524040), (66, 484340), (88, 363255), (110, 290604), (120, 266387), (122, 262020), (132, 242170), (165, 193736), (183, 174680), (220, 145302), (244, 131010), (264, 121085), (305, 104808), (330, 96868), (366, 87340), (397, 80520), (440, 72651), (488, 65505), (610, 52404), (660, 48434), (671, 47640), (732, 43670), (794, 40260), (915, 34936), (1191, 26840), (1220, 26202), (1320, 24217), (1342, 23820), (1464, 21835), (1588, 20130), (1830, 17468), (1985, 16104), (2013, 15880), (2382, 13420), (2440, 13101), (2684, 11910), (3176, 10065), (3355, 9528), (3660, 8734), (3970, 8052), (4026, 7940), (4367, 7320), (4764, 6710), (5368, 5955)]