657381660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{877}}^1$

素因数の和:964

約数の個数: 144

約数和(自身を含む): 2050600608

約数和(自身を除く): 1393218948

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 124, 130, 155, 156, 186, 195, 260, 310, 372, 390, 403, 465, 620, 780, 806, 877, 930, 961, 1209, 1612, 1754, 1860, 1922, 2015, 2418, 2631, 2883, 3508, 3844, 4030, 4385, 4805, 4836, 5262, 5766, 6045, 8060, 8770, 9610, 10524, 11401, 11532, 12090, 12493, 13155, 14415, 17540, 19220, 22802, 24180, 24986, 26310, 27187, 28830, 34203, 37479, 45604, 49972, 52620, 54374, 57005, 57660, 62465, 68406, 74958, 81561, 108748, 114010, 124930, 135935, 136812, 149916, 163122, 171015, 187395, 228020, 249860, 271870, 326244, 342030, 353431, 374790, 407805, 543740, 684060, 706862, 749580, 815610, 842797, 1060293, 1413724, 1631220, 1685594, 1767155, 2120586, 2528391, 3371188, 3534310, 4213985, 4241172, 5056782, 5301465, 7068620, 8427970, 10113564, 10602930, 10956361, 12641955, 16855940, 21205860, 21912722, 25283910, 32869083, 43825444, 50567820, 54781805, 65738166, 109563610, 131476332, 164345415, 219127220, 328690830, 657381660]

約数ペア:

[(1, 657381660), (2, 328690830), (3, 219127220), (4, 164345415), (5, 131476332), (6, 109563610), (10, 65738166), (12, 54781805), (13, 50567820), (15, 43825444), (20, 32869083), (26, 25283910), (30, 21912722), (31, 21205860), (39, 16855940), (52, 12641955), (60, 10956361), (62, 10602930), (65, 10113564), (78, 8427970), (93, 7068620), (124, 5301465), (130, 5056782), (155, 4241172), (156, 4213985), (186, 3534310), (195, 3371188), (260, 2528391), (310, 2120586), (372, 1767155), (390, 1685594), (403, 1631220), (465, 1413724), (620, 1060293), (780, 842797), (806, 815610), (877, 749580), (930, 706862), (961, 684060), (1209, 543740), (1612, 407805), (1754, 374790), (1860, 353431), (1922, 342030), (2015, 326244), (2418, 271870), (2631, 249860), (2883, 228020), (3508, 187395), (3844, 171015), (4030, 163122), (4385, 149916), (4805, 136812), (4836, 135935), (5262, 124930), (5766, 114010), (6045, 108748), (8060, 81561), (8770, 74958), (9610, 68406), (10524, 62465), (11401, 57660), (11532, 57005), (12090, 54374), (12493, 52620), (13155, 49972), (14415, 45604), (17540, 37479), (19220, 34203), (22802, 28830), (24180, 27187), (24986, 26310)]