23010520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1$

素因数の和:197

約数の個数: 128

約数和(自身を含む): 62596800

約数和(自身を除く): 39586280

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 19, 20, 26, 34, 38, 40, 52, 65, 68, 76, 85, 95, 104, 130, 136, 137, 152, 170, 190, 221, 247, 260, 274, 323, 340, 380, 442, 494, 520, 548, 646, 680, 685, 760, 884, 988, 1096, 1105, 1235, 1292, 1370, 1615, 1768, 1781, 1976, 2210, 2329, 2470, 2584, 2603, 2740, 3230, 3562, 4199, 4420, 4658, 4940, 5206, 5480, 6460, 7124, 8398, 8840, 8905, 9316, 9880, 10412, 11645, 12920, 13015, 14248, 16796, 17810, 18632, 20824, 20995, 23290, 26030, 30277, 33592, 33839, 35620, 41990, 44251, 46580, 52060, 60554, 67678, 71240, 83980, 88502, 93160, 104120, 121108, 135356, 151385, 167960, 169195, 177004, 221255, 242216, 270712, 302770, 338390, 354008, 442510, 575263, 605540, 676780, 885020, 1150526, 1211080, 1353560, 1770040, 2301052, 2876315, 4602104, 5752630, 11505260, 23010520]

約数ペア:

[(1, 23010520), (2, 11505260), (4, 5752630), (5, 4602104), (8, 2876315), (10, 2301052), (13, 1770040), (17, 1353560), (19, 1211080), (20, 1150526), (26, 885020), (34, 676780), (38, 605540), (40, 575263), (52, 442510), (65, 354008), (68, 338390), (76, 302770), (85, 270712), (95, 242216), (104, 221255), (130, 177004), (136, 169195), (137, 167960), (152, 151385), (170, 135356), (190, 121108), (221, 104120), (247, 93160), (260, 88502), (274, 83980), (323, 71240), (340, 67678), (380, 60554), (442, 52060), (494, 46580), (520, 44251), (548, 41990), (646, 35620), (680, 33839), (685, 33592), (760, 30277), (884, 26030), (988, 23290), (1096, 20995), (1105, 20824), (1235, 18632), (1292, 17810), (1370, 16796), (1615, 14248), (1768, 13015), (1781, 12920), (1976, 11645), (2210, 10412), (2329, 9880), (2470, 9316), (2584, 8905), (2603, 8840), (2740, 8398), (3230, 7124), (3562, 6460), (4199, 5480), (4420, 5206), (4658, 4940)]