28000680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12281}}^1$

素因数の和:12314

約数の個数: 64

約数和(自身を含む): 88430400

約数和(自身を除く): 60429720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 12281, 24562, 36843, 49124, 61405, 73686, 98248, 122810, 147372, 184215, 233339, 245620, 294744, 368430, 466678, 491240, 700017, 736860, 933356, 1166695, 1400034, 1473720, 1866712, 2333390, 2800068, 3500085, 4666780, 5600136, 7000170, 9333560, 14000340, 28000680]

約数ペア:

[(1, 28000680), (2, 14000340), (3, 9333560), (4, 7000170), (5, 5600136), (6, 4666780), (8, 3500085), (10, 2800068), (12, 2333390), (15, 1866712), (19, 1473720), (20, 1400034), (24, 1166695), (30, 933356), (38, 736860), (40, 700017), (57, 491240), (60, 466678), (76, 368430), (95, 294744), (114, 245620), (120, 233339), (152, 184215), (190, 147372), (228, 122810), (285, 98248), (380, 73686), (456, 61405), (570, 49124), (760, 36843), (1140, 24562), (2280, 12281)]