639072330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2351}}^1$

素因数の和:2432

約数の個数: 128

約数和(自身を含む): 1792336896

約数和(自身を除く): 1153264566

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 41, 51, 65, 78, 82, 85, 102, 123, 130, 170, 195, 205, 221, 246, 255, 390, 410, 442, 510, 533, 615, 663, 697, 1066, 1105, 1230, 1326, 1394, 1599, 2091, 2210, 2351, 2665, 3198, 3315, 3485, 4182, 4702, 5330, 6630, 6970, 7053, 7995, 9061, 10455, 11755, 14106, 15990, 18122, 20910, 23510, 27183, 30563, 35265, 39967, 45305, 54366, 61126, 70530, 79934, 90610, 91689, 96391, 119901, 135915, 152815, 183378, 192782, 199835, 239802, 271830, 289173, 305630, 399670, 458445, 481955, 519571, 578346, 599505, 916890, 963910, 1039142, 1199010, 1253083, 1445865, 1558713, 1638647, 2506166, 2597855, 2891730, 3117426, 3277294, 3759249, 4915941, 5195710, 6265415, 7518498, 7793565, 8193235, 9831882, 12530830, 15587130, 16386470, 18796245, 21302411, 24579705, 37592490, 42604822, 49159410, 63907233, 106512055, 127814466, 213024110, 319536165, 639072330]

約数ペア:

[(1, 639072330), (2, 319536165), (3, 213024110), (5, 127814466), (6, 106512055), (10, 63907233), (13, 49159410), (15, 42604822), (17, 37592490), (26, 24579705), (30, 21302411), (34, 18796245), (39, 16386470), (41, 15587130), (51, 12530830), (65, 9831882), (78, 8193235), (82, 7793565), (85, 7518498), (102, 6265415), (123, 5195710), (130, 4915941), (170, 3759249), (195, 3277294), (205, 3117426), (221, 2891730), (246, 2597855), (255, 2506166), (390, 1638647), (410, 1558713), (442, 1445865), (510, 1253083), (533, 1199010), (615, 1039142), (663, 963910), (697, 916890), (1066, 599505), (1105, 578346), (1230, 519571), (1326, 481955), (1394, 458445), (1599, 399670), (2091, 305630), (2210, 289173), (2351, 271830), (2665, 239802), (3198, 199835), (3315, 192782), (3485, 183378), (4182, 152815), (4702, 135915), (5330, 119901), (6630, 96391), (6970, 91689), (7053, 90610), (7995, 79934), (9061, 70530), (10455, 61126), (11755, 54366), (14106, 45305), (15990, 39967), (18122, 35265), (20910, 30563), (23510, 27183)]