1995630

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:90

約数の個数: 128

約数和(自身を含む): 6386688

約数和(自身を除く): 4391058

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 17, 21, 26, 30, 34, 35, 39, 42, 43, 51, 65, 70, 78, 85, 86, 91, 102, 105, 119, 129, 130, 170, 182, 195, 210, 215, 221, 238, 255, 258, 273, 301, 357, 390, 430, 442, 455, 510, 546, 559, 595, 602, 645, 663, 714, 731, 903, 910, 1105, 1118, 1190, 1290, 1326, 1365, 1462, 1505, 1547, 1677, 1785, 1806, 2193, 2210, 2730, 2795, 3010, 3094, 3315, 3354, 3570, 3655, 3913, 4386, 4515, 4641, 5117, 5590, 6630, 7310, 7735, 7826, 8385, 9030, 9282, 9503, 10234, 10965, 11739, 15351, 15470, 16770, 19006, 19565, 21930, 23205, 23478, 25585, 28509, 30702, 39130, 46410, 47515, 51170, 57018, 58695, 66521, 76755, 95030, 117390, 133042, 142545, 153510, 199563, 285090, 332605, 399126, 665210, 997815, 1995630]

約数ペア:

[(1, 1995630), (2, 997815), (3, 665210), (5, 399126), (6, 332605), (7, 285090), (10, 199563), (13, 153510), (14, 142545), (15, 133042), (17, 117390), (21, 95030), (26, 76755), (30, 66521), (34, 58695), (35, 57018), (39, 51170), (42, 47515), (43, 46410), (51, 39130), (65, 30702), (70, 28509), (78, 25585), (85, 23478), (86, 23205), (91, 21930), (102, 19565), (105, 19006), (119, 16770), (129, 15470), (130, 15351), (170, 11739), (182, 10965), (195, 10234), (210, 9503), (215, 9282), (221, 9030), (238, 8385), (255, 7826), (258, 7735), (273, 7310), (301, 6630), (357, 5590), (390, 5117), (430, 4641), (442, 4515), (455, 4386), (510, 3913), (546, 3655), (559, 3570), (595, 3354), (602, 3315), (645, 3094), (663, 3010), (714, 2795), (731, 2730), (903, 2210), (910, 2193), (1105, 1806), (1118, 1785), (1190, 1677), (1290, 1547), (1326, 1505), (1365, 1462)]