72991360

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1$

素因数の和:346

約数の個数: 128

約数和(自身を含む): 194664960

約数和(自身を除く): 121673600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 260, 283, 310, 320, 403, 416, 496, 520, 566, 620, 640, 806, 832, 992, 1040, 1132, 1240, 1415, 1612, 1664, 1984, 2015, 2080, 2264, 2480, 2830, 3224, 3679, 3968, 4030, 4160, 4528, 4960, 5660, 6448, 7358, 8060, 8320, 8773, 9056, 9920, 11320, 12896, 14716, 16120, 17546, 18112, 18395, 19840, 22640, 25792, 29432, 32240, 35092, 36224, 36790, 43865, 45280, 51584, 58864, 64480, 70184, 73580, 87730, 90560, 114049, 117728, 128960, 140368, 147160, 175460, 181120, 228098, 235456, 257920, 280736, 294320, 350920, 456196, 470912, 561472, 570245, 588640, 701840, 912392, 1122944, 1140490, 1177280, 1403680, 1824784, 2280980, 2354560, 2807360, 3649568, 4561960, 5614720, 7299136, 9123920, 14598272, 18247840, 36495680, 72991360]

約数ペア:

[(1, 72991360), (2, 36495680), (4, 18247840), (5, 14598272), (8, 9123920), (10, 7299136), (13, 5614720), (16, 4561960), (20, 3649568), (26, 2807360), (31, 2354560), (32, 2280980), (40, 1824784), (52, 1403680), (62, 1177280), (64, 1140490), (65, 1122944), (80, 912392), (104, 701840), (124, 588640), (128, 570245), (130, 561472), (155, 470912), (160, 456196), (208, 350920), (248, 294320), (260, 280736), (283, 257920), (310, 235456), (320, 228098), (403, 181120), (416, 175460), (496, 147160), (520, 140368), (566, 128960), (620, 117728), (640, 114049), (806, 90560), (832, 87730), (992, 73580), (1040, 70184), (1132, 64480), (1240, 58864), (1415, 51584), (1612, 45280), (1664, 43865), (1984, 36790), (2015, 36224), (2080, 35092), (2264, 32240), (2480, 29432), (2830, 25792), (3224, 22640), (3679, 19840), (3968, 18395), (4030, 18112), (4160, 17546), (4528, 16120), (4960, 14716), (5660, 12896), (6448, 11320), (7358, 9920), (8060, 9056), (8320, 8773)]