645891180

素因数分解:

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

素因数の和:408

約数の個数: 144

約数和(自身を含む): 2013403392

約数和(自身を除く): 1367512212

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 61, 66, 110, 122, 132, 165, 183, 220, 244, 263, 305, 330, 366, 526, 610, 660, 671, 732, 789, 915, 1052, 1220, 1315, 1342, 1578, 1830, 2013, 2630, 2684, 2893, 3156, 3355, 3660, 3721, 3945, 4026, 5260, 5786, 6710, 7442, 7890, 8052, 8679, 10065, 11163, 11572, 13420, 14465, 14884, 15780, 16043, 17358, 18605, 20130, 22326, 28930, 32086, 34716, 37210, 40260, 40931, 43395, 44652, 48129, 55815, 57860, 64172, 74420, 80215, 81862, 86790, 96258, 111630, 122793, 160430, 163724, 173580, 176473, 192516, 204655, 223260, 240645, 245586, 320860, 352946, 409310, 481290, 491172, 529419, 613965, 705892, 818620, 882365, 962580, 978623, 1058838, 1227930, 1764730, 1957246, 2117676, 2455860, 2647095, 2935869, 3529460, 3914492, 4893115, 5294190, 5871738, 9786230, 10588380, 10764853, 11743476, 14679345, 19572460, 21529706, 29358690, 32294559, 43059412, 53824265, 58717380, 64589118, 107648530, 129178236, 161472795, 215297060, 322945590, 645891180]

約数ペア:

[(1, 645891180), (2, 322945590), (3, 215297060), (4, 161472795), (5, 129178236), (6, 107648530), (10, 64589118), (11, 58717380), (12, 53824265), (15, 43059412), (20, 32294559), (22, 29358690), (30, 21529706), (33, 19572460), (44, 14679345), (55, 11743476), (60, 10764853), (61, 10588380), (66, 9786230), (110, 5871738), (122, 5294190), (132, 4893115), (165, 3914492), (183, 3529460), (220, 2935869), (244, 2647095), (263, 2455860), (305, 2117676), (330, 1957246), (366, 1764730), (526, 1227930), (610, 1058838), (660, 978623), (671, 962580), (732, 882365), (789, 818620), (915, 705892), (1052, 613965), (1220, 529419), (1315, 491172), (1342, 481290), (1578, 409310), (1830, 352946), (2013, 320860), (2630, 245586), (2684, 240645), (2893, 223260), (3156, 204655), (3355, 192516), (3660, 176473), (3721, 173580), (3945, 163724), (4026, 160430), (5260, 122793), (5786, 111630), (6710, 96258), (7442, 86790), (7890, 81862), (8052, 80215), (8679, 74420), (10065, 64172), (11163, 57860), (11572, 55815), (13420, 48129), (14465, 44652), (14884, 43395), (15780, 40931), (16043, 40260), (17358, 37210), (18605, 34716), (20130, 32086), (22326, 28930)]