819967360

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1117}}^1$

素因数の和:1204

約数の個数: 128

約数和(自身を含む): 2080016640

約数和(自身を除く): 1260049280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 37, 40, 62, 64, 74, 80, 124, 128, 148, 155, 160, 185, 248, 296, 310, 320, 370, 496, 592, 620, 640, 740, 992, 1117, 1147, 1184, 1240, 1480, 1984, 2234, 2294, 2368, 2480, 2960, 3968, 4468, 4588, 4736, 4960, 5585, 5735, 5920, 8936, 9176, 9920, 11170, 11470, 11840, 17872, 18352, 19840, 22340, 22940, 23680, 34627, 35744, 36704, 41329, 44680, 45880, 69254, 71488, 73408, 82658, 89360, 91760, 138508, 142976, 146816, 165316, 173135, 178720, 183520, 206645, 277016, 330632, 346270, 357440, 367040, 413290, 554032, 661264, 692540, 714880, 734080, 826580, 1108064, 1281199, 1322528, 1385080, 1653160, 2216128, 2562398, 2645056, 2770160, 3306320, 4432256, 5124796, 5290112, 5540320, 6405995, 6612640, 10249592, 11080640, 12811990, 13225280, 20499184, 22161280, 25623980, 26450560, 40998368, 51247960, 81996736, 102495920, 163993472, 204991840, 409983680, 819967360]

約数ペア:

[(1, 819967360), (2, 409983680), (4, 204991840), (5, 163993472), (8, 102495920), (10, 81996736), (16, 51247960), (20, 40998368), (31, 26450560), (32, 25623980), (37, 22161280), (40, 20499184), (62, 13225280), (64, 12811990), (74, 11080640), (80, 10249592), (124, 6612640), (128, 6405995), (148, 5540320), (155, 5290112), (160, 5124796), (185, 4432256), (248, 3306320), (296, 2770160), (310, 2645056), (320, 2562398), (370, 2216128), (496, 1653160), (592, 1385080), (620, 1322528), (640, 1281199), (740, 1108064), (992, 826580), (1117, 734080), (1147, 714880), (1184, 692540), (1240, 661264), (1480, 554032), (1984, 413290), (2234, 367040), (2294, 357440), (2368, 346270), (2480, 330632), (2960, 277016), (3968, 206645), (4468, 183520), (4588, 178720), (4736, 173135), (4960, 165316), (5585, 146816), (5735, 142976), (5920, 138508), (8936, 91760), (9176, 89360), (9920, 82658), (11170, 73408), (11470, 71488), (11840, 69254), (17872, 45880), (18352, 44680), (19840, 41329), (22340, 36704), (22940, 35744), (23680, 34627)]