42814720

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:148

約数の個数: 144

約数和(自身を含む): 115379712

約数和(自身を除く): 72564992

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 83, 104, 124, 128, 130, 155, 160, 166, 208, 248, 256, 260, 310, 320, 332, 403, 415, 416, 496, 520, 620, 640, 664, 806, 830, 832, 992, 1040, 1079, 1240, 1280, 1328, 1612, 1660, 1664, 1984, 2015, 2080, 2158, 2480, 2573, 2656, 3224, 3320, 3328, 3968, 4030, 4160, 4316, 4960, 5146, 5312, 5395, 6448, 6640, 7936, 8060, 8320, 8632, 9920, 10292, 10624, 10790, 12865, 12896, 13280, 16120, 16640, 17264, 19840, 20584, 21248, 21580, 25730, 25792, 26560, 32240, 33449, 34528, 39680, 41168, 43160, 51460, 51584, 53120, 64480, 66898, 69056, 82336, 86320, 102920, 103168, 106240, 128960, 133796, 138112, 164672, 167245, 172640, 205840, 257920, 267592, 276224, 329344, 334490, 345280, 411680, 515840, 535184, 658688, 668980, 690560, 823360, 1070368, 1337960, 1381120, 1646720, 2140736, 2675920, 3293440, 4281472, 5351840, 8562944, 10703680, 21407360, 42814720]

約数ペア:

[(1, 42814720), (2, 21407360), (4, 10703680), (5, 8562944), (8, 5351840), (10, 4281472), (13, 3293440), (16, 2675920), (20, 2140736), (26, 1646720), (31, 1381120), (32, 1337960), (40, 1070368), (52, 823360), (62, 690560), (64, 668980), (65, 658688), (80, 535184), (83, 515840), (104, 411680), (124, 345280), (128, 334490), (130, 329344), (155, 276224), (160, 267592), (166, 257920), (208, 205840), (248, 172640), (256, 167245), (260, 164672), (310, 138112), (320, 133796), (332, 128960), (403, 106240), (415, 103168), (416, 102920), (496, 86320), (520, 82336), (620, 69056), (640, 66898), (664, 64480), (806, 53120), (830, 51584), (832, 51460), (992, 43160), (1040, 41168), (1079, 39680), (1240, 34528), (1280, 33449), (1328, 32240), (1612, 26560), (1660, 25792), (1664, 25730), (1984, 21580), (2015, 21248), (2080, 20584), (2158, 19840), (2480, 17264), (2573, 16640), (2656, 16120), (3224, 13280), (3320, 12896), (3328, 12865), (3968, 10790), (4030, 10624), (4160, 10292), (4316, 9920), (4960, 8632), (5146, 8320), (5312, 8060), (5395, 7936), (6448, 6640)]