9909640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1$

素因数の和:119

約数の個数: 128

約数和(自身を含む): 27216000

約数和(自身を除く): 17306360

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 19, 20, 26, 34, 38, 40, 52, 59, 65, 68, 76, 85, 95, 104, 118, 130, 136, 152, 170, 190, 221, 236, 247, 260, 295, 323, 340, 380, 442, 472, 494, 520, 590, 646, 680, 760, 767, 884, 988, 1003, 1105, 1121, 1180, 1235, 1292, 1534, 1615, 1768, 1976, 2006, 2210, 2242, 2360, 2470, 2584, 3068, 3230, 3835, 4012, 4199, 4420, 4484, 4940, 5015, 5605, 6136, 6460, 7670, 8024, 8398, 8840, 8968, 9880, 10030, 11210, 12920, 13039, 14573, 15340, 16796, 19057, 20060, 20995, 22420, 26078, 29146, 30680, 33592, 38114, 40120, 41990, 44840, 52156, 58292, 65195, 72865, 76228, 83980, 95285, 104312, 116584, 130390, 145730, 152456, 167960, 190570, 247741, 260780, 291460, 381140, 495482, 521560, 582920, 762280, 990964, 1238705, 1981928, 2477410, 4954820, 9909640]

約数ペア:

[(1, 9909640), (2, 4954820), (4, 2477410), (5, 1981928), (8, 1238705), (10, 990964), (13, 762280), (17, 582920), (19, 521560), (20, 495482), (26, 381140), (34, 291460), (38, 260780), (40, 247741), (52, 190570), (59, 167960), (65, 152456), (68, 145730), (76, 130390), (85, 116584), (95, 104312), (104, 95285), (118, 83980), (130, 76228), (136, 72865), (152, 65195), (170, 58292), (190, 52156), (221, 44840), (236, 41990), (247, 40120), (260, 38114), (295, 33592), (323, 30680), (340, 29146), (380, 26078), (442, 22420), (472, 20995), (494, 20060), (520, 19057), (590, 16796), (646, 15340), (680, 14573), (760, 13039), (767, 12920), (884, 11210), (988, 10030), (1003, 9880), (1105, 8968), (1121, 8840), (1180, 8398), (1235, 8024), (1292, 7670), (1534, 6460), (1615, 6136), (1768, 5605), (1976, 5015), (2006, 4940), (2210, 4484), (2242, 4420), (2360, 4199), (2470, 4012), (2584, 3835), (3068, 3230)]