87785460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{269}}^1$

素因数の和:335

約数の個数: 216

約数和(自身を含む): 319311720

約数和(自身を除く): 231526260

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 37, 42, 45, 49, 60, 63, 70, 74, 84, 90, 98, 105, 111, 126, 140, 147, 148, 180, 185, 196, 210, 222, 245, 252, 259, 269, 294, 315, 333, 370, 420, 441, 444, 490, 518, 538, 555, 588, 630, 666, 735, 740, 777, 807, 882, 980, 1036, 1076, 1110, 1260, 1295, 1332, 1345, 1470, 1554, 1614, 1665, 1764, 1813, 1883, 2205, 2220, 2331, 2421, 2590, 2690, 2940, 3108, 3228, 3330, 3626, 3766, 3885, 4035, 4410, 4662, 4842, 5180, 5380, 5439, 5649, 6660, 7252, 7532, 7770, 8070, 8820, 9065, 9324, 9415, 9684, 9953, 10878, 11298, 11655, 12105, 13181, 15540, 16140, 16317, 16947, 18130, 18830, 19906, 21756, 22596, 23310, 24210, 26362, 27195, 28245, 29859, 32634, 33894, 36260, 37660, 39543, 39812, 46620, 48420, 49765, 52724, 54390, 56490, 59718, 65268, 65905, 67788, 69671, 79086, 81585, 84735, 89577, 99530, 108780, 112980, 118629, 119436, 131810, 139342, 149295, 158172, 163170, 169470, 179154, 197715, 199060, 209013, 237258, 263620, 278684, 298590, 326340, 338940, 348355, 358308, 395430, 418026, 447885, 474516, 487697, 593145, 597180, 627039, 696710, 790860, 836052, 895770, 975394, 1045065, 1186290, 1254078, 1393420, 1463091, 1791540, 1950788, 2090130, 2372580, 2438485, 2508156, 2926182, 3135195, 4180260, 4389273, 4876970, 5852364, 6270390, 7315455, 8778546, 9753940, 12540780, 14630910, 17557092, 21946365, 29261820, 43892730, 87785460]

約数ペア:

[(1, 87785460), (2, 43892730), (3, 29261820), (4, 21946365), (5, 17557092), (6, 14630910), (7, 12540780), (9, 9753940), (10, 8778546), (12, 7315455), (14, 6270390), (15, 5852364), (18, 4876970), (20, 4389273), (21, 4180260), (28, 3135195), (30, 2926182), (35, 2508156), (36, 2438485), (37, 2372580), (42, 2090130), (45, 1950788), (49, 1791540), (60, 1463091), (63, 1393420), (70, 1254078), (74, 1186290), (84, 1045065), (90, 975394), (98, 895770), (105, 836052), (111, 790860), (126, 696710), (140, 627039), (147, 597180), (148, 593145), (180, 487697), (185, 474516), (196, 447885), (210, 418026), (222, 395430), (245, 358308), (252, 348355), (259, 338940), (269, 326340), (294, 298590), (315, 278684), (333, 263620), (370, 237258), (420, 209013), (441, 199060), (444, 197715), (490, 179154), (518, 169470), (538, 163170), (555, 158172), (588, 149295), (630, 139342), (666, 131810), (735, 119436), (740, 118629), (777, 112980), (807, 108780), (882, 99530), (980, 89577), (1036, 84735), (1076, 81585), (1110, 79086), (1260, 69671), (1295, 67788), (1332, 65905), (1345, 65268), (1470, 59718), (1554, 56490), (1614, 54390), (1665, 52724), (1764, 49765), (1813, 48420), (1883, 46620), (2205, 39812), (2220, 39543), (2331, 37660), (2421, 36260), (2590, 33894), (2690, 32634), (2940, 29859), (3108, 28245), (3228, 27195), (3330, 26362), (3626, 24210), (3766, 23310), (3885, 22596), (4035, 21756), (4410, 19906), (4662, 18830), (4842, 18130), (5180, 16947), (5380, 16317), (5439, 16140), (5649, 15540), (6660, 13181), (7252, 12105), (7532, 11655), (7770, 11298), (8070, 10878), (8820, 9953), (9065, 9684), (9324, 9415)]