290490720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{3581}}^1$

素因数の和:3625

約数の個数: 144

約数和(自身を含む): 991125072

約数和(自身を除く): 700634352

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 130, 156, 160, 169, 195, 208, 240, 260, 312, 338, 390, 416, 480, 507, 520, 624, 676, 780, 845, 1014, 1040, 1248, 1352, 1560, 1690, 2028, 2080, 2535, 2704, 3120, 3380, 3581, 4056, 5070, 5408, 6240, 6760, 7162, 8112, 10140, 10743, 13520, 14324, 16224, 17905, 20280, 21486, 27040, 28648, 35810, 40560, 42972, 46553, 53715, 57296, 71620, 81120, 85944, 93106, 107430, 114592, 139659, 143240, 171888, 186212, 214860, 232765, 279318, 286480, 343776, 372424, 429720, 465530, 558636, 572960, 605189, 698295, 744848, 859440, 931060, 1117272, 1210378, 1396590, 1489696, 1718880, 1815567, 1862120, 2234544, 2420756, 2793180, 3025945, 3631134, 3724240, 4469088, 4841512, 5586360, 6051890, 7262268, 7448480, 9077835, 9683024, 11172720, 12103780, 14524536, 18155670, 19366048, 22345440, 24207560, 29049072, 36311340, 48415120, 58098144, 72622680, 96830240, 145245360, 290490720]

約数ペア:

[(1, 290490720), (2, 145245360), (3, 96830240), (4, 72622680), (5, 58098144), (6, 48415120), (8, 36311340), (10, 29049072), (12, 24207560), (13, 22345440), (15, 19366048), (16, 18155670), (20, 14524536), (24, 12103780), (26, 11172720), (30, 9683024), (32, 9077835), (39, 7448480), (40, 7262268), (48, 6051890), (52, 5586360), (60, 4841512), (65, 4469088), (78, 3724240), (80, 3631134), (96, 3025945), (104, 2793180), (120, 2420756), (130, 2234544), (156, 1862120), (160, 1815567), (169, 1718880), (195, 1489696), (208, 1396590), (240, 1210378), (260, 1117272), (312, 931060), (338, 859440), (390, 744848), (416, 698295), (480, 605189), (507, 572960), (520, 558636), (624, 465530), (676, 429720), (780, 372424), (845, 343776), (1014, 286480), (1040, 279318), (1248, 232765), (1352, 214860), (1560, 186212), (1690, 171888), (2028, 143240), (2080, 139659), (2535, 114592), (2704, 107430), (3120, 93106), (3380, 85944), (3581, 81120), (4056, 71620), (5070, 57296), (5408, 53715), (6240, 46553), (6760, 42972), (7162, 40560), (8112, 35810), (10140, 28648), (10743, 27040), (13520, 21486), (14324, 20280), (16224, 17905)]