642827760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{2311}}^1$

素因数の和:2407

約数の個数: 160

約数和(自身を含む): 2132958720

約数和(自身を除く): 1490130960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 61, 76, 80, 95, 114, 120, 122, 152, 183, 190, 228, 240, 244, 285, 304, 305, 366, 380, 456, 488, 570, 610, 732, 760, 912, 915, 976, 1140, 1159, 1220, 1464, 1520, 1830, 2280, 2311, 2318, 2440, 2928, 3477, 3660, 4560, 4622, 4636, 4880, 5795, 6933, 6954, 7320, 9244, 9272, 11555, 11590, 13866, 13908, 14640, 17385, 18488, 18544, 23110, 23180, 27732, 27816, 34665, 34770, 36976, 43909, 46220, 46360, 55464, 55632, 69330, 69540, 87818, 92440, 92720, 110928, 131727, 138660, 139080, 140971, 175636, 184880, 219545, 263454, 277320, 278160, 281942, 351272, 422913, 439090, 526908, 554640, 563884, 658635, 702544, 704855, 845826, 878180, 1053816, 1127768, 1317270, 1409710, 1691652, 1756360, 2107632, 2114565, 2255536, 2634540, 2678449, 2819420, 3383304, 3512720, 4229130, 5269080, 5356898, 5638840, 6766608, 8035347, 8458260, 10538160, 10713796, 11277680, 13392245, 16070694, 16916520, 21427592, 26784490, 32141388, 33833040, 40176735, 42855184, 53568980, 64282776, 80353470, 107137960, 128565552, 160706940, 214275920, 321413880, 642827760]

約数ペア:

[(1, 642827760), (2, 321413880), (3, 214275920), (4, 160706940), (5, 128565552), (6, 107137960), (8, 80353470), (10, 64282776), (12, 53568980), (15, 42855184), (16, 40176735), (19, 33833040), (20, 32141388), (24, 26784490), (30, 21427592), (38, 16916520), (40, 16070694), (48, 13392245), (57, 11277680), (60, 10713796), (61, 10538160), (76, 8458260), (80, 8035347), (95, 6766608), (114, 5638840), (120, 5356898), (122, 5269080), (152, 4229130), (183, 3512720), (190, 3383304), (228, 2819420), (240, 2678449), (244, 2634540), (285, 2255536), (304, 2114565), (305, 2107632), (366, 1756360), (380, 1691652), (456, 1409710), (488, 1317270), (570, 1127768), (610, 1053816), (732, 878180), (760, 845826), (912, 704855), (915, 702544), (976, 658635), (1140, 563884), (1159, 554640), (1220, 526908), (1464, 439090), (1520, 422913), (1830, 351272), (2280, 281942), (2311, 278160), (2318, 277320), (2440, 263454), (2928, 219545), (3477, 184880), (3660, 175636), (4560, 140971), (4622, 139080), (4636, 138660), (4880, 131727), (5795, 110928), (6933, 92720), (6954, 92440), (7320, 87818), (9244, 69540), (9272, 69330), (11555, 55632), (11590, 55464), (13866, 46360), (13908, 46220), (14640, 43909), (17385, 36976), (18488, 34770), (18544, 34665), (23110, 27816), (23180, 27732)]