821626680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{13399}}^1$

素因数の和:13493

約数の個数: 128

約数和(自身を含む): 2855808000

約数和(自身を除く): 2034181320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 73, 84, 105, 120, 140, 146, 168, 210, 219, 280, 292, 365, 420, 438, 511, 584, 730, 840, 876, 1022, 1095, 1460, 1533, 1752, 2044, 2190, 2555, 2920, 3066, 4088, 4380, 5110, 6132, 7665, 8760, 10220, 12264, 13399, 15330, 20440, 26798, 30660, 40197, 53596, 61320, 66995, 80394, 93793, 107192, 133990, 160788, 187586, 200985, 267980, 281379, 321576, 375172, 401970, 468965, 535960, 562758, 750344, 803940, 937930, 978127, 1125516, 1406895, 1607880, 1875860, 1956254, 2251032, 2813790, 2934381, 3751720, 3912508, 4890635, 5627580, 5868762, 6846889, 7825016, 9781270, 11255160, 11737524, 13693778, 14671905, 19562540, 20540667, 23475048, 27387556, 29343810, 34234445, 39125080, 41081334, 54775112, 58687620, 68468890, 82162668, 102703335, 117375240, 136937780, 164325336, 205406670, 273875560, 410813340, 821626680]

約数ペア:

[(1, 821626680), (2, 410813340), (3, 273875560), (4, 205406670), (5, 164325336), (6, 136937780), (7, 117375240), (8, 102703335), (10, 82162668), (12, 68468890), (14, 58687620), (15, 54775112), (20, 41081334), (21, 39125080), (24, 34234445), (28, 29343810), (30, 27387556), (35, 23475048), (40, 20540667), (42, 19562540), (56, 14671905), (60, 13693778), (70, 11737524), (73, 11255160), (84, 9781270), (105, 7825016), (120, 6846889), (140, 5868762), (146, 5627580), (168, 4890635), (210, 3912508), (219, 3751720), (280, 2934381), (292, 2813790), (365, 2251032), (420, 1956254), (438, 1875860), (511, 1607880), (584, 1406895), (730, 1125516), (840, 978127), (876, 937930), (1022, 803940), (1095, 750344), (1460, 562758), (1533, 535960), (1752, 468965), (2044, 401970), (2190, 375172), (2555, 321576), (2920, 281379), (3066, 267980), (4088, 200985), (4380, 187586), (5110, 160788), (6132, 133990), (7665, 107192), (8760, 93793), (10220, 80394), (12264, 66995), (13399, 61320), (15330, 53596), (20440, 40197), (26798, 30660)]