311707920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4021}}^1$

素因数の和:4073

約数の個数: 160

約数和(自身を含む): 1077252480

約数和(自身を除く): 765544560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 19, 20, 24, 30, 34, 38, 40, 48, 51, 57, 60, 68, 76, 80, 85, 95, 102, 114, 120, 136, 152, 170, 190, 204, 228, 240, 255, 272, 285, 304, 323, 340, 380, 408, 456, 510, 570, 646, 680, 760, 816, 912, 969, 1020, 1140, 1292, 1360, 1520, 1615, 1938, 2040, 2280, 2584, 3230, 3876, 4021, 4080, 4560, 4845, 5168, 6460, 7752, 8042, 9690, 12063, 12920, 15504, 16084, 19380, 20105, 24126, 25840, 32168, 38760, 40210, 48252, 60315, 64336, 68357, 76399, 77520, 80420, 96504, 120630, 136714, 152798, 160840, 193008, 205071, 229197, 241260, 273428, 305596, 321680, 341785, 381995, 410142, 458394, 482520, 546856, 611192, 683570, 763990, 820284, 916788, 965040, 1025355, 1093712, 1145985, 1222384, 1298783, 1367140, 1527980, 1640568, 1833576, 2050710, 2291970, 2597566, 2734280, 3055960, 3281136, 3667152, 3896349, 4101420, 4583940, 5195132, 5468560, 6111920, 6493915, 7792698, 8202840, 9167880, 10390264, 12987830, 15585396, 16405680, 18335760, 19481745, 20780528, 25975660, 31170792, 38963490, 51951320, 62341584, 77926980, 103902640, 155853960, 311707920]

約数ペア:

[(1, 311707920), (2, 155853960), (3, 103902640), (4, 77926980), (5, 62341584), (6, 51951320), (8, 38963490), (10, 31170792), (12, 25975660), (15, 20780528), (16, 19481745), (17, 18335760), (19, 16405680), (20, 15585396), (24, 12987830), (30, 10390264), (34, 9167880), (38, 8202840), (40, 7792698), (48, 6493915), (51, 6111920), (57, 5468560), (60, 5195132), (68, 4583940), (76, 4101420), (80, 3896349), (85, 3667152), (95, 3281136), (102, 3055960), (114, 2734280), (120, 2597566), (136, 2291970), (152, 2050710), (170, 1833576), (190, 1640568), (204, 1527980), (228, 1367140), (240, 1298783), (255, 1222384), (272, 1145985), (285, 1093712), (304, 1025355), (323, 965040), (340, 916788), (380, 820284), (408, 763990), (456, 683570), (510, 611192), (570, 546856), (646, 482520), (680, 458394), (760, 410142), (816, 381995), (912, 341785), (969, 321680), (1020, 305596), (1140, 273428), (1292, 241260), (1360, 229197), (1520, 205071), (1615, 193008), (1938, 160840), (2040, 152798), (2280, 136714), (2584, 120630), (3230, 96504), (3876, 80420), (4021, 77520), (4080, 76399), (4560, 68357), (4845, 64336), (5168, 60315), (6460, 48252), (7752, 40210), (8042, 38760), (9690, 32168), (12063, 25840), (12920, 24126), (15504, 20105), (16084, 19380)]