7811280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{571}}^1$

素因数の和:609

約数の個数: 120

約数和(自身を含む): 27661920

約数和(自身を除く): 19850640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 380, 456, 570, 571, 684, 720, 760, 855, 912, 1140, 1142, 1368, 1520, 1710, 1713, 2280, 2284, 2736, 2855, 3420, 3426, 4560, 4568, 5139, 5710, 6840, 6852, 8565, 9136, 10278, 10849, 11420, 13680, 13704, 17130, 20556, 21698, 22840, 25695, 27408, 32547, 34260, 41112, 43396, 45680, 51390, 54245, 65094, 68520, 82224, 86792, 97641, 102780, 108490, 130188, 137040, 162735, 173584, 195282, 205560, 216980, 260376, 325470, 390564, 411120, 433960, 488205, 520752, 650940, 781128, 867920, 976410, 1301880, 1562256, 1952820, 2603760, 3905640, 7811280]

約数ペア:

[(1, 7811280), (2, 3905640), (3, 2603760), (4, 1952820), (5, 1562256), (6, 1301880), (8, 976410), (9, 867920), (10, 781128), (12, 650940), (15, 520752), (16, 488205), (18, 433960), (19, 411120), (20, 390564), (24, 325470), (30, 260376), (36, 216980), (38, 205560), (40, 195282), (45, 173584), (48, 162735), (57, 137040), (60, 130188), (72, 108490), (76, 102780), (80, 97641), (90, 86792), (95, 82224), (114, 68520), (120, 65094), (144, 54245), (152, 51390), (171, 45680), (180, 43396), (190, 41112), (228, 34260), (240, 32547), (285, 27408), (304, 25695), (342, 22840), (360, 21698), (380, 20556), (456, 17130), (570, 13704), (571, 13680), (684, 11420), (720, 10849), (760, 10278), (855, 9136), (912, 8565), (1140, 6852), (1142, 6840), (1368, 5710), (1520, 5139), (1710, 4568), (1713, 4560), (2280, 3426), (2284, 3420), (2736, 2855)]