1665662720

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1867}}^1$

素因数の和:1946

約数の個数: 144

約数和(自身を含む): 4329829728

約数和(自身を除く): 2664167008

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 41, 64, 68, 80, 82, 85, 128, 136, 160, 164, 170, 205, 256, 272, 320, 328, 340, 410, 544, 640, 656, 680, 697, 820, 1088, 1280, 1312, 1360, 1394, 1640, 1867, 2176, 2624, 2720, 2788, 3280, 3485, 3734, 4352, 5248, 5440, 5576, 6560, 6970, 7468, 9335, 10496, 10880, 11152, 13120, 13940, 14936, 18670, 21760, 22304, 26240, 27880, 29872, 31739, 37340, 44608, 52480, 55760, 59744, 63478, 74680, 76547, 89216, 111520, 119488, 126956, 149360, 153094, 158695, 178432, 223040, 238976, 253912, 298720, 306188, 317390, 382735, 446080, 477952, 507824, 597440, 612376, 634780, 765470, 892160, 1015648, 1194880, 1224752, 1269560, 1301299, 1530940, 2031296, 2389760, 2449504, 2539120, 2602598, 3061880, 4062592, 4899008, 5078240, 5205196, 6123760, 6506495, 8125184, 9798016, 10156480, 10410392, 12247520, 13012990, 19596032, 20312960, 20820784, 24495040, 26025980, 40625920, 41641568, 48990080, 52051960, 83283136, 97980160, 104103920, 166566272, 208207840, 333132544, 416415680, 832831360, 1665662720]

約数ペア:

[(1, 1665662720), (2, 832831360), (4, 416415680), (5, 333132544), (8, 208207840), (10, 166566272), (16, 104103920), (17, 97980160), (20, 83283136), (32, 52051960), (34, 48990080), (40, 41641568), (41, 40625920), (64, 26025980), (68, 24495040), (80, 20820784), (82, 20312960), (85, 19596032), (128, 13012990), (136, 12247520), (160, 10410392), (164, 10156480), (170, 9798016), (205, 8125184), (256, 6506495), (272, 6123760), (320, 5205196), (328, 5078240), (340, 4899008), (410, 4062592), (544, 3061880), (640, 2602598), (656, 2539120), (680, 2449504), (697, 2389760), (820, 2031296), (1088, 1530940), (1280, 1301299), (1312, 1269560), (1360, 1224752), (1394, 1194880), (1640, 1015648), (1867, 892160), (2176, 765470), (2624, 634780), (2720, 612376), (2788, 597440), (3280, 507824), (3485, 477952), (3734, 446080), (4352, 382735), (5248, 317390), (5440, 306188), (5576, 298720), (6560, 253912), (6970, 238976), (7468, 223040), (9335, 178432), (10496, 158695), (10880, 153094), (11152, 149360), (13120, 126956), (13940, 119488), (14936, 111520), (18670, 89216), (21760, 76547), (22304, 74680), (26240, 63478), (27880, 59744), (29872, 55760), (31739, 52480), (37340, 44608)]