1645472010

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31723}}^1$

素因数の和:31772

約数の個数: 128

約数和(自身を含む): 5116446720

約数和(自身を除く): 3470974710

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 19, 21, 26, 30, 35, 38, 39, 42, 57, 65, 70, 78, 91, 95, 105, 114, 130, 133, 182, 190, 195, 210, 247, 266, 273, 285, 390, 399, 455, 494, 546, 570, 665, 741, 798, 910, 1235, 1330, 1365, 1482, 1729, 1995, 2470, 2730, 3458, 3705, 3990, 5187, 7410, 8645, 10374, 17290, 25935, 31723, 51870, 63446, 95169, 158615, 190338, 222061, 317230, 412399, 444122, 475845, 602737, 666183, 824798, 951690, 1110305, 1205474, 1237197, 1332366, 1808211, 2061995, 2220610, 2474394, 2886793, 3013685, 3330915, 3616422, 4123990, 4219159, 5773586, 6027370, 6185985, 6661830, 7835581, 8438318, 8660379, 9041055, 12371970, 12657477, 14433965, 15671162, 17320758, 18082110, 21095795, 23506743, 25314954, 28867930, 39177905, 42191590, 43301895, 47013486, 54849067, 63287385, 78355810, 86603790, 109698134, 117533715, 126574770, 164547201, 235067430, 274245335, 329094402, 548490670, 822736005, 1645472010]

約数ペア:

[(1, 1645472010), (2, 822736005), (3, 548490670), (5, 329094402), (6, 274245335), (7, 235067430), (10, 164547201), (13, 126574770), (14, 117533715), (15, 109698134), (19, 86603790), (21, 78355810), (26, 63287385), (30, 54849067), (35, 47013486), (38, 43301895), (39, 42191590), (42, 39177905), (57, 28867930), (65, 25314954), (70, 23506743), (78, 21095795), (91, 18082110), (95, 17320758), (105, 15671162), (114, 14433965), (130, 12657477), (133, 12371970), (182, 9041055), (190, 8660379), (195, 8438318), (210, 7835581), (247, 6661830), (266, 6185985), (273, 6027370), (285, 5773586), (390, 4219159), (399, 4123990), (455, 3616422), (494, 3330915), (546, 3013685), (570, 2886793), (665, 2474394), (741, 2220610), (798, 2061995), (910, 1808211), (1235, 1332366), (1330, 1237197), (1365, 1205474), (1482, 1110305), (1729, 951690), (1995, 824798), (2470, 666183), (2730, 602737), (3458, 475845), (3705, 444122), (3990, 412399), (5187, 317230), (7410, 222061), (8645, 190338), (10374, 158615), (17290, 95169), (25935, 63446), (31723, 51870)]