31765140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1$

素因数の和:350

約数の個数: 144

約数和(自身を含む): 107243136

約数和(自身を除く): 75477996

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 61, 66, 90, 99, 110, 122, 132, 165, 180, 183, 198, 220, 244, 263, 305, 330, 366, 396, 495, 526, 549, 610, 660, 671, 732, 789, 915, 990, 1052, 1098, 1220, 1315, 1342, 1578, 1830, 1980, 2013, 2196, 2367, 2630, 2684, 2745, 2893, 3156, 3355, 3660, 3945, 4026, 4734, 5260, 5490, 5786, 6039, 6710, 7890, 8052, 8679, 9468, 10065, 10980, 11572, 11835, 12078, 13420, 14465, 15780, 16043, 17358, 20130, 23670, 24156, 26037, 28930, 30195, 32086, 34716, 40260, 43395, 47340, 48129, 52074, 57860, 60390, 64172, 80215, 86790, 96258, 104148, 120780, 130185, 144387, 160430, 173580, 176473, 192516, 240645, 260370, 288774, 320860, 352946, 481290, 520740, 529419, 577548, 705892, 721935, 882365, 962580, 1058838, 1443870, 1588257, 1764730, 2117676, 2647095, 2887740, 3176514, 3529460, 5294190, 6353028, 7941285, 10588380, 15882570, 31765140]

約数ペア:

[(1, 31765140), (2, 15882570), (3, 10588380), (4, 7941285), (5, 6353028), (6, 5294190), (9, 3529460), (10, 3176514), (11, 2887740), (12, 2647095), (15, 2117676), (18, 1764730), (20, 1588257), (22, 1443870), (30, 1058838), (33, 962580), (36, 882365), (44, 721935), (45, 705892), (55, 577548), (60, 529419), (61, 520740), (66, 481290), (90, 352946), (99, 320860), (110, 288774), (122, 260370), (132, 240645), (165, 192516), (180, 176473), (183, 173580), (198, 160430), (220, 144387), (244, 130185), (263, 120780), (305, 104148), (330, 96258), (366, 86790), (396, 80215), (495, 64172), (526, 60390), (549, 57860), (610, 52074), (660, 48129), (671, 47340), (732, 43395), (789, 40260), (915, 34716), (990, 32086), (1052, 30195), (1098, 28930), (1220, 26037), (1315, 24156), (1342, 23670), (1578, 20130), (1830, 17358), (1980, 16043), (2013, 15780), (2196, 14465), (2367, 13420), (2630, 12078), (2684, 11835), (2745, 11572), (2893, 10980), (3156, 10065), (3355, 9468), (3660, 8679), (3945, 8052), (4026, 7890), (4734, 6710), (5260, 6039), (5490, 5786)]