20889996840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1\times {\mathrm{3889}}^1$

素因数の和:4296

約数の個数: 192

約数和(自身を含む): 69689505600

約数和(自身を除く): 48799508760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 43, 45, 60, 72, 86, 90, 120, 129, 172, 180, 215, 258, 344, 347, 360, 387, 430, 516, 645, 694, 774, 860, 1032, 1041, 1290, 1388, 1548, 1720, 1735, 1935, 2082, 2580, 2776, 3096, 3123, 3470, 3870, 3889, 4164, 5160, 5205, 6246, 6940, 7740, 7778, 8328, 10410, 11667, 12492, 13880, 14921, 15480, 15556, 15615, 19445, 20820, 23334, 24984, 29842, 31112, 31230, 35001, 38890, 41640, 44763, 46668, 58335, 59684, 62460, 70002, 74605, 77780, 89526, 93336, 116670, 119368, 124920, 134289, 140004, 149210, 155560, 167227, 175005, 179052, 223815, 233340, 268578, 280008, 298420, 334454, 350010, 358104, 447630, 466680, 501681, 537156, 596840, 668908, 671445, 700020, 836135, 895260, 1003362, 1074312, 1337816, 1342890, 1349483, 1400040, 1505043, 1672270, 1790520, 2006724, 2508405, 2685780, 2698966, 3010086, 3344540, 4013448, 4048449, 5016810, 5371560, 5397932, 6020172, 6689080, 6747415, 7525215, 8096898, 10033620, 10795864, 12040344, 12145347, 13494830, 15050430, 16193796, 20067240, 20242245, 24290694, 26989660, 30100860, 32387592, 40484490, 48581388, 53979320, 58027769, 60201720, 60726735, 80968980, 97162776, 116055538, 121453470, 161937960, 174083307, 232111076, 242906940, 290138845, 348166614, 464222152, 485813880, 522249921, 580277690, 696333228, 870416535, 1044499842, 1160555380, 1392666456, 1740833070, 2088999684, 2321110760, 2611249605, 3481666140, 4177999368, 5222499210, 6963332280, 10444998420, 20889996840]

約数ペア:

[(1, 20889996840), (2, 10444998420), (3, 6963332280), (4, 5222499210), (5, 4177999368), (6, 3481666140), (8, 2611249605), (9, 2321110760), (10, 2088999684), (12, 1740833070), (15, 1392666456), (18, 1160555380), (20, 1044499842), (24, 870416535), (30, 696333228), (36, 580277690), (40, 522249921), (43, 485813880), (45, 464222152), (60, 348166614), (72, 290138845), (86, 242906940), (90, 232111076), (120, 174083307), (129, 161937960), (172, 121453470), (180, 116055538), (215, 97162776), (258, 80968980), (344, 60726735), (347, 60201720), (360, 58027769), (387, 53979320), (430, 48581388), (516, 40484490), (645, 32387592), (694, 30100860), (774, 26989660), (860, 24290694), (1032, 20242245), (1041, 20067240), (1290, 16193796), (1388, 15050430), (1548, 13494830), (1720, 12145347), (1735, 12040344), (1935, 10795864), (2082, 10033620), (2580, 8096898), (2776, 7525215), (3096, 6747415), (3123, 6689080), (3470, 6020172), (3870, 5397932), (3889, 5371560), (4164, 5016810), (5160, 4048449), (5205, 4013448), (6246, 3344540), (6940, 3010086), (7740, 2698966), (7778, 2685780), (8328, 2508405), (10410, 2006724), (11667, 1790520), (12492, 1672270), (13880, 1505043), (14921, 1400040), (15480, 1349483), (15556, 1342890), (15615, 1337816), (19445, 1074312), (20820, 1003362), (23334, 895260), (24984, 836135), (29842, 700020), (31112, 671445), (31230, 668908), (35001, 596840), (38890, 537156), (41640, 501681), (44763, 466680), (46668, 447630), (58335, 358104), (59684, 350010), (62460, 334454), (70002, 298420), (74605, 280008), (77780, 268578), (89526, 233340), (93336, 223815), (116670, 179052), (119368, 175005), (124920, 167227), (134289, 155560), (140004, 149210)]