278913960

素因数分解:

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

素因数の和:1068

約数の個数: 192

約数和(自身を含む): 993217680

約数和(自身を除く): 714303720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 61, 65, 72, 78, 90, 104, 117, 120, 122, 130, 156, 180, 183, 195, 234, 244, 260, 305, 312, 360, 366, 390, 468, 488, 520, 549, 585, 610, 732, 780, 793, 915, 936, 977, 1098, 1170, 1220, 1464, 1560, 1586, 1830, 1954, 2196, 2340, 2379, 2440, 2745, 2931, 3172, 3660, 3908, 3965, 4392, 4680, 4758, 4885, 5490, 5862, 6344, 7137, 7320, 7816, 7930, 8793, 9516, 9770, 10980, 11724, 11895, 12701, 14274, 14655, 15860, 17586, 19032, 19540, 21960, 23448, 23790, 25402, 28548, 29310, 31720, 35172, 35685, 38103, 39080, 43965, 47580, 50804, 57096, 58620, 59597, 63505, 70344, 71370, 76206, 87930, 95160, 101608, 114309, 117240, 119194, 127010, 142740, 152412, 175860, 178791, 190515, 228618, 238388, 254020, 285480, 297985, 304824, 351720, 357582, 381030, 457236, 476776, 508040, 536373, 571545, 595970, 715164, 762060, 774761, 893955, 914472, 1072746, 1143090, 1191940, 1430328, 1524120, 1549522, 1787910, 2145492, 2286180, 2324283, 2383880, 2681865, 3099044, 3575820, 3873805, 4290984, 4572360, 4648566, 5363730, 6198088, 6972849, 7151640, 7747610, 9297132, 10727460, 11621415, 13945698, 15495220, 18594264, 21454920, 23242830, 27891396, 30990440, 34864245, 46485660, 55782792, 69728490, 92971320, 139456980, 278913960]

約数ペア:

[(1, 278913960), (2, 139456980), (3, 92971320), (4, 69728490), (5, 55782792), (6, 46485660), (8, 34864245), (9, 30990440), (10, 27891396), (12, 23242830), (13, 21454920), (15, 18594264), (18, 15495220), (20, 13945698), (24, 11621415), (26, 10727460), (30, 9297132), (36, 7747610), (39, 7151640), (40, 6972849), (45, 6198088), (52, 5363730), (60, 4648566), (61, 4572360), (65, 4290984), (72, 3873805), (78, 3575820), (90, 3099044), (104, 2681865), (117, 2383880), (120, 2324283), (122, 2286180), (130, 2145492), (156, 1787910), (180, 1549522), (183, 1524120), (195, 1430328), (234, 1191940), (244, 1143090), (260, 1072746), (305, 914472), (312, 893955), (360, 774761), (366, 762060), (390, 715164), (468, 595970), (488, 571545), (520, 536373), (549, 508040), (585, 476776), (610, 457236), (732, 381030), (780, 357582), (793, 351720), (915, 304824), (936, 297985), (977, 285480), (1098, 254020), (1170, 238388), (1220, 228618), (1464, 190515), (1560, 178791), (1586, 175860), (1830, 152412), (1954, 142740), (2196, 127010), (2340, 119194), (2379, 117240), (2440, 114309), (2745, 101608), (2931, 95160), (3172, 87930), (3660, 76206), (3908, 71370), (3965, 70344), (4392, 63505), (4680, 59597), (4758, 58620), (4885, 57096), (5490, 50804), (5862, 47580), (6344, 43965), (7137, 39080), (7320, 38103), (7816, 35685), (7930, 35172), (8793, 31720), (9516, 29310), (9770, 28548), (10980, 25402), (11724, 23790), (11895, 23448), (12701, 21960), (14274, 19540), (14655, 19032), (15860, 17586)]