128249940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{283}}^1$

素因数の和:398

約数の個数: 192

約数和(自身を含む): 448874496

約数和(自身を除く): 320624556

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 83, 84, 91, 105, 130, 140, 156, 166, 182, 195, 210, 249, 260, 273, 283, 332, 364, 390, 415, 420, 455, 498, 546, 566, 581, 780, 830, 849, 910, 996, 1079, 1092, 1132, 1162, 1245, 1365, 1415, 1660, 1698, 1743, 1820, 1981, 2158, 2324, 2490, 2730, 2830, 2905, 3237, 3396, 3486, 3679, 3962, 4245, 4316, 4980, 5395, 5460, 5660, 5810, 5943, 6474, 6972, 7358, 7553, 7924, 8490, 8715, 9905, 10790, 11037, 11620, 11886, 12948, 14716, 15106, 16185, 16980, 17430, 18395, 19810, 21580, 22074, 22659, 23489, 23772, 25753, 29715, 30212, 32370, 34860, 36790, 37765, 39620, 44148, 45318, 46978, 51506, 55185, 59430, 64740, 70467, 73580, 75530, 77259, 90636, 93956, 103012, 110370, 113295, 117445, 118860, 128765, 140934, 151060, 154518, 164423, 220740, 226590, 234890, 257530, 281868, 305357, 309036, 328846, 352335, 386295, 453180, 469780, 493269, 515060, 610714, 657692, 704670, 772590, 822115, 916071, 986538, 1221428, 1409340, 1526785, 1545180, 1644230, 1832142, 1973076, 2137499, 2466345, 3053570, 3288460, 3664284, 4274998, 4580355, 4932690, 6107140, 6412497, 8549996, 9160710, 9865380, 10687495, 12824994, 18321420, 21374990, 25649988, 32062485, 42749980, 64124970, 128249940]

約数ペア:

[(1, 128249940), (2, 64124970), (3, 42749980), (4, 32062485), (5, 25649988), (6, 21374990), (7, 18321420), (10, 12824994), (12, 10687495), (13, 9865380), (14, 9160710), (15, 8549996), (20, 6412497), (21, 6107140), (26, 4932690), (28, 4580355), (30, 4274998), (35, 3664284), (39, 3288460), (42, 3053570), (52, 2466345), (60, 2137499), (65, 1973076), (70, 1832142), (78, 1644230), (83, 1545180), (84, 1526785), (91, 1409340), (105, 1221428), (130, 986538), (140, 916071), (156, 822115), (166, 772590), (182, 704670), (195, 657692), (210, 610714), (249, 515060), (260, 493269), (273, 469780), (283, 453180), (332, 386295), (364, 352335), (390, 328846), (415, 309036), (420, 305357), (455, 281868), (498, 257530), (546, 234890), (566, 226590), (581, 220740), (780, 164423), (830, 154518), (849, 151060), (910, 140934), (996, 128765), (1079, 118860), (1092, 117445), (1132, 113295), (1162, 110370), (1245, 103012), (1365, 93956), (1415, 90636), (1660, 77259), (1698, 75530), (1743, 73580), (1820, 70467), (1981, 64740), (2158, 59430), (2324, 55185), (2490, 51506), (2730, 46978), (2830, 45318), (2905, 44148), (3237, 39620), (3396, 37765), (3486, 36790), (3679, 34860), (3962, 32370), (4245, 30212), (4316, 29715), (4980, 25753), (5395, 23772), (5460, 23489), (5660, 22659), (5810, 22074), (5943, 21580), (6474, 19810), (6972, 18395), (7358, 17430), (7553, 16980), (7924, 16185), (8490, 15106), (8715, 14716), (9905, 12948), (10790, 11886), (11037, 11620)]