28415640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1$

素因数の和:158

約数の個数: 192

約数和(自身を含む): 99590400

約数和(自身を除く): 71174760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 19, 20, 22, 24, 30, 33, 38, 40, 44, 55, 57, 60, 66, 76, 88, 95, 103, 110, 114, 120, 121, 132, 152, 165, 190, 206, 209, 220, 228, 242, 264, 285, 309, 330, 363, 380, 412, 418, 440, 456, 484, 515, 570, 605, 618, 627, 660, 726, 760, 824, 836, 968, 1030, 1045, 1133, 1140, 1210, 1236, 1254, 1320, 1452, 1545, 1672, 1815, 1957, 2060, 2090, 2266, 2280, 2299, 2420, 2472, 2508, 2904, 3090, 3135, 3399, 3630, 3914, 4120, 4180, 4532, 4598, 4840, 5016, 5665, 5871, 6180, 6270, 6798, 6897, 7260, 7828, 8360, 9064, 9196, 9785, 11330, 11495, 11742, 12360, 12463, 12540, 13596, 13794, 14520, 15656, 16995, 18392, 19570, 21527, 22660, 22990, 23484, 24926, 25080, 27192, 27588, 29355, 33990, 34485, 37389, 39140, 43054, 45320, 45980, 46968, 49852, 55176, 58710, 62315, 64581, 67980, 68970, 74778, 78280, 86108, 91960, 99704, 107635, 117420, 124630, 129162, 135960, 137940, 149556, 172216, 186945, 215270, 234840, 236797, 249260, 258324, 275880, 299112, 322905, 373890, 430540, 473594, 498520, 516648, 645810, 710391, 747780, 861080, 947188, 1183985, 1291620, 1420782, 1495560, 1894376, 2367970, 2583240, 2841564, 3551955, 4735940, 5683128, 7103910, 9471880, 14207820, 28415640]

約数ペア:

[(1, 28415640), (2, 14207820), (3, 9471880), (4, 7103910), (5, 5683128), (6, 4735940), (8, 3551955), (10, 2841564), (11, 2583240), (12, 2367970), (15, 1894376), (19, 1495560), (20, 1420782), (22, 1291620), (24, 1183985), (30, 947188), (33, 861080), (38, 747780), (40, 710391), (44, 645810), (55, 516648), (57, 498520), (60, 473594), (66, 430540), (76, 373890), (88, 322905), (95, 299112), (103, 275880), (110, 258324), (114, 249260), (120, 236797), (121, 234840), (132, 215270), (152, 186945), (165, 172216), (190, 149556), (206, 137940), (209, 135960), (220, 129162), (228, 124630), (242, 117420), (264, 107635), (285, 99704), (309, 91960), (330, 86108), (363, 78280), (380, 74778), (412, 68970), (418, 67980), (440, 64581), (456, 62315), (484, 58710), (515, 55176), (570, 49852), (605, 46968), (618, 45980), (627, 45320), (660, 43054), (726, 39140), (760, 37389), (824, 34485), (836, 33990), (968, 29355), (1030, 27588), (1045, 27192), (1133, 25080), (1140, 24926), (1210, 23484), (1236, 22990), (1254, 22660), (1320, 21527), (1452, 19570), (1545, 18392), (1672, 16995), (1815, 15656), (1957, 14520), (2060, 13794), (2090, 13596), (2266, 12540), (2280, 12463), (2299, 12360), (2420, 11742), (2472, 11495), (2508, 11330), (2904, 9785), (3090, 9196), (3135, 9064), (3399, 8360), (3630, 7828), (3914, 7260), (4120, 6897), (4180, 6798), (4532, 6270), (4598, 6180), (4840, 5871), (5016, 5665)]