31310370

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3823}}^1$

素因数の和:3856

約数の個数: 96

約数和(自身を含む): 100219392

約数和(自身を除く): 68909022

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 30, 35, 39, 42, 45, 63, 65, 70, 78, 90, 91, 105, 117, 126, 130, 182, 195, 210, 234, 273, 315, 390, 455, 546, 585, 630, 819, 910, 1170, 1365, 1638, 2730, 3823, 4095, 7646, 8190, 11469, 19115, 22938, 26761, 34407, 38230, 49699, 53522, 57345, 68814, 80283, 99398, 114690, 133805, 149097, 160566, 172035, 240849, 248495, 267610, 298194, 344070, 347893, 401415, 447291, 481698, 496990, 695786, 745485, 802830, 894582, 1043679, 1204245, 1490970, 1739465, 2087358, 2236455, 2408490, 3131037, 3478930, 4472910, 5218395, 6262074, 10436790, 15655185, 31310370]

約数ペア:

[(1, 31310370), (2, 15655185), (3, 10436790), (5, 6262074), (6, 5218395), (7, 4472910), (9, 3478930), (10, 3131037), (13, 2408490), (14, 2236455), (15, 2087358), (18, 1739465), (21, 1490970), (26, 1204245), (30, 1043679), (35, 894582), (39, 802830), (42, 745485), (45, 695786), (63, 496990), (65, 481698), (70, 447291), (78, 401415), (90, 347893), (91, 344070), (105, 298194), (117, 267610), (126, 248495), (130, 240849), (182, 172035), (195, 160566), (210, 149097), (234, 133805), (273, 114690), (315, 99398), (390, 80283), (455, 68814), (546, 57345), (585, 53522), (630, 49699), (819, 38230), (910, 34407), (1170, 26761), (1365, 22938), (1638, 19115), (2730, 11469), (3823, 8190), (4095, 7646)]