720527730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{977}}^1$

素因数の和:1092

約数の個数: 128

約数和(自身を含む): 1955874816

約数和(自身を除く): 1235347086

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 61, 62, 65, 78, 93, 122, 130, 155, 183, 186, 195, 305, 310, 366, 390, 403, 465, 610, 793, 806, 915, 930, 977, 1209, 1586, 1830, 1891, 1954, 2015, 2379, 2418, 2931, 3782, 3965, 4030, 4758, 4885, 5673, 5862, 6045, 7930, 9455, 9770, 11346, 11895, 12090, 12701, 14655, 18910, 23790, 24583, 25402, 28365, 29310, 30287, 38103, 49166, 56730, 59597, 60574, 63505, 73749, 76206, 90861, 119194, 122915, 127010, 147498, 151435, 178791, 181722, 190515, 245830, 297985, 302870, 357582, 368745, 381030, 393731, 454305, 595970, 737490, 774761, 787462, 893955, 908610, 1181193, 1549522, 1787910, 1847507, 1968655, 2324283, 2362386, 3695014, 3873805, 3937310, 4648566, 5542521, 5905965, 7747610, 9237535, 11085042, 11621415, 11811930, 18475070, 23242830, 24017591, 27712605, 48035182, 55425210, 72052773, 120087955, 144105546, 240175910, 360263865, 720527730]

約数ペア:

[(1, 720527730), (2, 360263865), (3, 240175910), (5, 144105546), (6, 120087955), (10, 72052773), (13, 55425210), (15, 48035182), (26, 27712605), (30, 24017591), (31, 23242830), (39, 18475070), (61, 11811930), (62, 11621415), (65, 11085042), (78, 9237535), (93, 7747610), (122, 5905965), (130, 5542521), (155, 4648566), (183, 3937310), (186, 3873805), (195, 3695014), (305, 2362386), (310, 2324283), (366, 1968655), (390, 1847507), (403, 1787910), (465, 1549522), (610, 1181193), (793, 908610), (806, 893955), (915, 787462), (930, 774761), (977, 737490), (1209, 595970), (1586, 454305), (1830, 393731), (1891, 381030), (1954, 368745), (2015, 357582), (2379, 302870), (2418, 297985), (2931, 245830), (3782, 190515), (3965, 181722), (4030, 178791), (4758, 151435), (4885, 147498), (5673, 127010), (5862, 122915), (6045, 119194), (7930, 90861), (9455, 76206), (9770, 73749), (11346, 63505), (11895, 60574), (12090, 59597), (12701, 56730), (14655, 49166), (18910, 38103), (23790, 30287), (24583, 29310), (25402, 28365)]