55439880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:311

約数の個数: 128

約数和(自身を含む): 174960000

約数和(自身を除く): 119520120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 89, 116, 120, 145, 174, 178, 179, 232, 267, 290, 348, 356, 358, 435, 445, 534, 537, 580, 696, 712, 716, 870, 890, 895, 1068, 1074, 1160, 1335, 1432, 1740, 1780, 1790, 2136, 2148, 2581, 2670, 2685, 3480, 3560, 3580, 4296, 5162, 5191, 5340, 5370, 7160, 7743, 10324, 10382, 10680, 10740, 12905, 15486, 15573, 15931, 20648, 20764, 21480, 25810, 25955, 30972, 31146, 31862, 38715, 41528, 47793, 51620, 51910, 61944, 62292, 63724, 77430, 77865, 79655, 95586, 103240, 103820, 124584, 127448, 154860, 155730, 159310, 191172, 207640, 238965, 309720, 311460, 318620, 382344, 461999, 477930, 622920, 637240, 923998, 955860, 1385997, 1847996, 1911720, 2309995, 2771994, 3695992, 4619990, 5543988, 6929985, 9239980, 11087976, 13859970, 18479960, 27719940, 55439880]

約数ペア:

[(1, 55439880), (2, 27719940), (3, 18479960), (4, 13859970), (5, 11087976), (6, 9239980), (8, 6929985), (10, 5543988), (12, 4619990), (15, 3695992), (20, 2771994), (24, 2309995), (29, 1911720), (30, 1847996), (40, 1385997), (58, 955860), (60, 923998), (87, 637240), (89, 622920), (116, 477930), (120, 461999), (145, 382344), (174, 318620), (178, 311460), (179, 309720), (232, 238965), (267, 207640), (290, 191172), (348, 159310), (356, 155730), (358, 154860), (435, 127448), (445, 124584), (534, 103820), (537, 103240), (580, 95586), (696, 79655), (712, 77865), (716, 77430), (870, 63724), (890, 62292), (895, 61944), (1068, 51910), (1074, 51620), (1160, 47793), (1335, 41528), (1432, 38715), (1740, 31862), (1780, 31146), (1790, 30972), (2136, 25955), (2148, 25810), (2581, 21480), (2670, 20764), (2685, 20648), (3480, 15931), (3560, 15573), (3580, 15486), (4296, 12905), (5162, 10740), (5191, 10680), (5340, 10382), (5370, 10324), (7160, 7743)]