1310360080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{27809}}^1$

素因数の和:27872

約数の個数: 80

約数和(自身を含む): 3310502400

約数和(自身を除く): 2000142320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 496, 589, 620, 760, 1178, 1240, 1520, 2356, 2480, 2945, 4712, 5890, 9424, 11780, 23560, 27809, 47120, 55618, 111236, 139045, 222472, 278090, 444944, 528371, 556180, 862079, 1056742, 1112360, 1724158, 2113484, 2224720, 2641855, 3448316, 4226968, 4310395, 5283710, 6896632, 8453936, 8620790, 10567420, 13793264, 16379501, 17241580, 21134840, 32759002, 34483160, 42269680, 65518004, 68966320, 81897505, 131036008, 163795010, 262072016, 327590020, 655180040, 1310360080]

約数ペア:

[(1, 1310360080), (2, 655180040), (4, 327590020), (5, 262072016), (8, 163795010), (10, 131036008), (16, 81897505), (19, 68966320), (20, 65518004), (31, 42269680), (38, 34483160), (40, 32759002), (62, 21134840), (76, 17241580), (80, 16379501), (95, 13793264), (124, 10567420), (152, 8620790), (155, 8453936), (190, 6896632), (248, 5283710), (304, 4310395), (310, 4226968), (380, 3448316), (496, 2641855), (589, 2224720), (620, 2113484), (760, 1724158), (1178, 1112360), (1240, 1056742), (1520, 862079), (2356, 556180), (2480, 528371), (2945, 444944), (4712, 278090), (5890, 222472), (9424, 139045), (11780, 111236), (23560, 55618), (27809, 47120)]