178946820

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{293}}^1$

素因数の和:356

約数の個数: 240

約数和(自身を含む): 627525360

約数和(自身を除く): 448578540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 29, 30, 36, 39, 45, 52, 54, 58, 60, 65, 78, 81, 87, 90, 108, 116, 117, 130, 135, 145, 156, 162, 174, 180, 195, 234, 260, 261, 270, 290, 293, 324, 348, 351, 377, 390, 405, 435, 468, 522, 540, 580, 585, 586, 702, 754, 780, 783, 810, 870, 879, 1044, 1053, 1131, 1170, 1172, 1305, 1404, 1465, 1508, 1566, 1620, 1740, 1755, 1758, 1885, 2106, 2262, 2340, 2349, 2610, 2637, 2930, 3132, 3393, 3510, 3516, 3770, 3809, 3915, 4212, 4395, 4524, 4698, 5220, 5265, 5274, 5655, 5860, 6786, 7020, 7540, 7618, 7830, 7911, 8497, 8790, 9396, 10179, 10530, 10548, 11310, 11427, 11745, 13185, 13572, 15236, 15660, 15822, 16965, 16994, 17580, 19045, 20358, 21060, 22620, 22854, 23490, 23733, 25491, 26370, 30537, 31644, 33930, 33988, 34281, 38090, 39555, 40716, 42485, 45708, 46980, 47466, 50895, 50982, 52740, 57135, 61074, 67860, 68562, 76180, 76473, 79110, 84970, 94932, 101790, 101964, 102843, 110461, 114270, 118665, 122148, 127455, 137124, 152685, 152946, 158220, 169940, 171405, 203580, 205686, 220922, 228540, 229419, 237330, 254910, 305370, 305892, 308529, 331383, 342810, 382365, 411372, 441844, 458838, 474660, 509820, 514215, 552305, 610740, 617058, 662766, 685620, 688257, 764730, 917676, 994149, 1028430, 1104610, 1147095, 1234116, 1325532, 1376514, 1529460, 1542645, 1656915, 1988298, 2056860, 2209220, 2294190, 2753028, 2982447, 3085290, 3313830, 3441285, 3976596, 4588380, 4970745, 5964894, 6170580, 6627660, 6882570, 8947341, 9941490, 11929788, 13765140, 14912235, 17894682, 19882980, 29824470, 35789364, 44736705, 59648940, 89473410, 178946820]

約数ペア:

[(1, 178946820), (2, 89473410), (3, 59648940), (4, 44736705), (5, 35789364), (6, 29824470), (9, 19882980), (10, 17894682), (12, 14912235), (13, 13765140), (15, 11929788), (18, 9941490), (20, 8947341), (26, 6882570), (27, 6627660), (29, 6170580), (30, 5964894), (36, 4970745), (39, 4588380), (45, 3976596), (52, 3441285), (54, 3313830), (58, 3085290), (60, 2982447), (65, 2753028), (78, 2294190), (81, 2209220), (87, 2056860), (90, 1988298), (108, 1656915), (116, 1542645), (117, 1529460), (130, 1376514), (135, 1325532), (145, 1234116), (156, 1147095), (162, 1104610), (174, 1028430), (180, 994149), (195, 917676), (234, 764730), (260, 688257), (261, 685620), (270, 662766), (290, 617058), (293, 610740), (324, 552305), (348, 514215), (351, 509820), (377, 474660), (390, 458838), (405, 441844), (435, 411372), (468, 382365), (522, 342810), (540, 331383), (580, 308529), (585, 305892), (586, 305370), (702, 254910), (754, 237330), (780, 229419), (783, 228540), (810, 220922), (870, 205686), (879, 203580), (1044, 171405), (1053, 169940), (1131, 158220), (1170, 152946), (1172, 152685), (1305, 137124), (1404, 127455), (1465, 122148), (1508, 118665), (1566, 114270), (1620, 110461), (1740, 102843), (1755, 101964), (1758, 101790), (1885, 94932), (2106, 84970), (2262, 79110), (2340, 76473), (2349, 76180), (2610, 68562), (2637, 67860), (2930, 61074), (3132, 57135), (3393, 52740), (3510, 50982), (3516, 50895), (3770, 47466), (3809, 46980), (3915, 45708), (4212, 42485), (4395, 40716), (4524, 39555), (4698, 38090), (5220, 34281), (5265, 33988), (5274, 33930), (5655, 31644), (5860, 30537), (6786, 26370), (7020, 25491), (7540, 23733), (7618, 23490), (7830, 22854), (7911, 22620), (8497, 21060), (8790, 20358), (9396, 19045), (10179, 17580), (10530, 16994), (10548, 16965), (11310, 15822), (11427, 15660), (11745, 15236), (13185, 13572)]