686428380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{20393}}^1$

素因数の和:20436

約数の個数: 144

約数和(自身を含む): 2405186784

約数和(自身を除く): 1718758404

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 17, 18, 20, 22, 30, 33, 34, 36, 44, 45, 51, 55, 60, 66, 68, 85, 90, 99, 102, 110, 132, 153, 165, 170, 180, 187, 198, 204, 220, 255, 306, 330, 340, 374, 396, 495, 510, 561, 612, 660, 748, 765, 935, 990, 1020, 1122, 1530, 1683, 1870, 1980, 2244, 2805, 3060, 3366, 3740, 5610, 6732, 8415, 11220, 16830, 20393, 33660, 40786, 61179, 81572, 101965, 122358, 183537, 203930, 224323, 244716, 305895, 346681, 367074, 407860, 448646, 611790, 672969, 693362, 734148, 897292, 917685, 1040043, 1121615, 1223580, 1345938, 1386724, 1733405, 1835370, 2018907, 2080086, 2243230, 2691876, 3120129, 3364845, 3466810, 3670740, 3813491, 4037814, 4160172, 4486460, 5200215, 6240258, 6729690, 6933620, 7626982, 8075628, 10094535, 10400430, 11440473, 12480516, 13459380, 15253964, 15600645, 19067455, 20189070, 20800860, 22880946, 31201290, 34321419, 38134910, 40378140, 45761892, 57202365, 62402580, 68642838, 76269820, 114404730, 137285676, 171607095, 228809460, 343214190, 686428380]

約数ペア:

[(1, 686428380), (2, 343214190), (3, 228809460), (4, 171607095), (5, 137285676), (6, 114404730), (9, 76269820), (10, 68642838), (11, 62402580), (12, 57202365), (15, 45761892), (17, 40378140), (18, 38134910), (20, 34321419), (22, 31201290), (30, 22880946), (33, 20800860), (34, 20189070), (36, 19067455), (44, 15600645), (45, 15253964), (51, 13459380), (55, 12480516), (60, 11440473), (66, 10400430), (68, 10094535), (85, 8075628), (90, 7626982), (99, 6933620), (102, 6729690), (110, 6240258), (132, 5200215), (153, 4486460), (165, 4160172), (170, 4037814), (180, 3813491), (187, 3670740), (198, 3466810), (204, 3364845), (220, 3120129), (255, 2691876), (306, 2243230), (330, 2080086), (340, 2018907), (374, 1835370), (396, 1733405), (495, 1386724), (510, 1345938), (561, 1223580), (612, 1121615), (660, 1040043), (748, 917685), (765, 897292), (935, 734148), (990, 693362), (1020, 672969), (1122, 611790), (1530, 448646), (1683, 407860), (1870, 367074), (1980, 346681), (2244, 305895), (2805, 244716), (3060, 224323), (3366, 203930), (3740, 183537), (5610, 122358), (6732, 101965), (8415, 81572), (11220, 61179), (16830, 40786), (20393, 33660)]