65989980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{631}}^1$

素因数の和:736

約数の個数: 144

約数和(自身を含む): 231888384

約数和(自身を除く): 165898404

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 83, 84, 90, 105, 126, 140, 166, 180, 210, 249, 252, 315, 332, 415, 420, 498, 581, 630, 631, 747, 830, 996, 1162, 1245, 1260, 1262, 1494, 1660, 1743, 1893, 2324, 2490, 2524, 2905, 2988, 3155, 3486, 3735, 3786, 4417, 4980, 5229, 5679, 5810, 6310, 6972, 7470, 7572, 8715, 8834, 9465, 10458, 11358, 11620, 12620, 13251, 14940, 17430, 17668, 18930, 20916, 22085, 22716, 26145, 26502, 28395, 34860, 37860, 39753, 44170, 52290, 52373, 53004, 56790, 66255, 79506, 88340, 104580, 104746, 113580, 132510, 157119, 159012, 198765, 209492, 261865, 265020, 314238, 366611, 397530, 471357, 523730, 628476, 733222, 785595, 795060, 942714, 1047460, 1099833, 1466444, 1571190, 1833055, 1885428, 2199666, 2356785, 3142380, 3299499, 3666110, 4399332, 4713570, 5499165, 6598998, 7332220, 9427140, 10998330, 13197996, 16497495, 21996660, 32994990, 65989980]

約数ペア:

[(1, 65989980), (2, 32994990), (3, 21996660), (4, 16497495), (5, 13197996), (6, 10998330), (7, 9427140), (9, 7332220), (10, 6598998), (12, 5499165), (14, 4713570), (15, 4399332), (18, 3666110), (20, 3299499), (21, 3142380), (28, 2356785), (30, 2199666), (35, 1885428), (36, 1833055), (42, 1571190), (45, 1466444), (60, 1099833), (63, 1047460), (70, 942714), (83, 795060), (84, 785595), (90, 733222), (105, 628476), (126, 523730), (140, 471357), (166, 397530), (180, 366611), (210, 314238), (249, 265020), (252, 261865), (315, 209492), (332, 198765), (415, 159012), (420, 157119), (498, 132510), (581, 113580), (630, 104746), (631, 104580), (747, 88340), (830, 79506), (996, 66255), (1162, 56790), (1245, 53004), (1260, 52373), (1262, 52290), (1494, 44170), (1660, 39753), (1743, 37860), (1893, 34860), (2324, 28395), (2490, 26502), (2524, 26145), (2905, 22716), (2988, 22085), (3155, 20916), (3486, 18930), (3735, 17668), (3786, 17430), (4417, 14940), (4980, 13251), (5229, 12620), (5679, 11620), (5810, 11358), (6310, 10458), (6972, 9465), (7470, 8834), (7572, 8715)]