288949760

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:396

約数の個数: 160

約数和(自身を含む): 782521344

約数和(自身を除く): 493571584

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 128, 155, 160, 176, 220, 248, 256, 310, 320, 331, 341, 352, 440, 496, 512, 620, 640, 662, 682, 704, 880, 992, 1240, 1280, 1324, 1364, 1408, 1655, 1705, 1760, 1984, 2480, 2560, 2648, 2728, 2816, 3310, 3410, 3520, 3641, 3968, 4960, 5296, 5456, 5632, 6620, 6820, 7040, 7282, 7936, 9920, 10261, 10592, 10912, 13240, 13640, 14080, 14564, 15872, 18205, 19840, 20522, 21184, 21824, 26480, 27280, 28160, 29128, 36410, 39680, 41044, 42368, 43648, 51305, 52960, 54560, 58256, 72820, 79360, 82088, 84736, 87296, 102610, 105920, 109120, 112871, 116512, 145640, 164176, 169472, 174592, 205220, 211840, 218240, 225742, 233024, 291280, 328352, 410440, 423680, 436480, 451484, 466048, 564355, 582560, 656704, 820880, 847360, 872960, 902968, 932096, 1128710, 1165120, 1313408, 1641760, 1805936, 1864192, 2257420, 2330240, 2626816, 3283520, 3611872, 4514840, 4660480, 5253632, 6567040, 7223744, 9029680, 9320960, 13134080, 14447488, 18059360, 26268160, 28894976, 36118720, 57789952, 72237440, 144474880, 288949760]

約数ペア:

[(1, 288949760), (2, 144474880), (4, 72237440), (5, 57789952), (8, 36118720), (10, 28894976), (11, 26268160), (16, 18059360), (20, 14447488), (22, 13134080), (31, 9320960), (32, 9029680), (40, 7223744), (44, 6567040), (55, 5253632), (62, 4660480), (64, 4514840), (80, 3611872), (88, 3283520), (110, 2626816), (124, 2330240), (128, 2257420), (155, 1864192), (160, 1805936), (176, 1641760), (220, 1313408), (248, 1165120), (256, 1128710), (310, 932096), (320, 902968), (331, 872960), (341, 847360), (352, 820880), (440, 656704), (496, 582560), (512, 564355), (620, 466048), (640, 451484), (662, 436480), (682, 423680), (704, 410440), (880, 328352), (992, 291280), (1240, 233024), (1280, 225742), (1324, 218240), (1364, 211840), (1408, 205220), (1655, 174592), (1705, 169472), (1760, 164176), (1984, 145640), (2480, 116512), (2560, 112871), (2648, 109120), (2728, 105920), (2816, 102610), (3310, 87296), (3410, 84736), (3520, 82088), (3641, 79360), (3968, 72820), (4960, 58256), (5296, 54560), (5456, 52960), (5632, 51305), (6620, 43648), (6820, 42368), (7040, 41044), (7282, 39680), (7936, 36410), (9920, 29128), (10261, 28160), (10592, 27280), (10912, 26480), (13240, 21824), (13640, 21184), (14080, 20522), (14564, 19840), (15872, 18205)]