81887130

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1$

素因数の和:245

約数の個数: 192

約数和(自身を含む): 254741760

約数和(自身を除く): 172854630

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 17, 18, 23, 26, 30, 34, 39, 45, 46, 51, 65, 69, 78, 85, 90, 102, 115, 117, 130, 138, 153, 170, 179, 195, 207, 221, 230, 234, 255, 299, 306, 345, 358, 390, 391, 414, 442, 510, 537, 585, 598, 663, 690, 765, 782, 895, 897, 1035, 1074, 1105, 1170, 1173, 1326, 1495, 1530, 1611, 1790, 1794, 1955, 1989, 2070, 2210, 2327, 2346, 2685, 2691, 2990, 3043, 3222, 3315, 3519, 3910, 3978, 4117, 4485, 4654, 5083, 5370, 5382, 5865, 6086, 6630, 6981, 7038, 8055, 8234, 8970, 9129, 9945, 10166, 11635, 11730, 12351, 13455, 13962, 15215, 15249, 16110, 17595, 18258, 19890, 20585, 20943, 23270, 24702, 25415, 26910, 27387, 30430, 30498, 34905, 35190, 37053, 39559, 41170, 41886, 45645, 45747, 50830, 53521, 54774, 61755, 69810, 69989, 74106, 76245, 79118, 91290, 91494, 104715, 107042, 118677, 123510, 136935, 139978, 152490, 160563, 185265, 197795, 209430, 209967, 228735, 237354, 267605, 273870, 321126, 349945, 356031, 370530, 395590, 419934, 457470, 481689, 535210, 593385, 629901, 699890, 712062, 802815, 909857, 963378, 1049835, 1186770, 1259802, 1605630, 1780155, 1819714, 2099670, 2408445, 2729571, 3149505, 3560310, 4549285, 4816890, 5459142, 6299010, 8188713, 9098570, 13647855, 16377426, 27295710, 40943565, 81887130]

約数ペア:

[(1, 81887130), (2, 40943565), (3, 27295710), (5, 16377426), (6, 13647855), (9, 9098570), (10, 8188713), (13, 6299010), (15, 5459142), (17, 4816890), (18, 4549285), (23, 3560310), (26, 3149505), (30, 2729571), (34, 2408445), (39, 2099670), (45, 1819714), (46, 1780155), (51, 1605630), (65, 1259802), (69, 1186770), (78, 1049835), (85, 963378), (90, 909857), (102, 802815), (115, 712062), (117, 699890), (130, 629901), (138, 593385), (153, 535210), (170, 481689), (179, 457470), (195, 419934), (207, 395590), (221, 370530), (230, 356031), (234, 349945), (255, 321126), (299, 273870), (306, 267605), (345, 237354), (358, 228735), (390, 209967), (391, 209430), (414, 197795), (442, 185265), (510, 160563), (537, 152490), (585, 139978), (598, 136935), (663, 123510), (690, 118677), (765, 107042), (782, 104715), (895, 91494), (897, 91290), (1035, 79118), (1074, 76245), (1105, 74106), (1170, 69989), (1173, 69810), (1326, 61755), (1495, 54774), (1530, 53521), (1611, 50830), (1790, 45747), (1794, 45645), (1955, 41886), (1989, 41170), (2070, 39559), (2210, 37053), (2327, 35190), (2346, 34905), (2685, 30498), (2691, 30430), (2990, 27387), (3043, 26910), (3222, 25415), (3315, 24702), (3519, 23270), (3910, 20943), (3978, 20585), (4117, 19890), (4485, 18258), (4654, 17595), (5083, 16110), (5370, 15249), (5382, 15215), (5865, 13962), (6086, 13455), (6630, 12351), (6981, 11730), (7038, 11635), (8055, 10166), (8234, 9945), (8970, 9129)]