15664576720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{2039}}^1$

素因数の和:2237

約数の個数: 160

約数和(自身を含む): 40159929600

約数和(自身を除く): 24495352880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 83, 89, 104, 130, 166, 178, 208, 260, 332, 356, 415, 445, 520, 664, 712, 830, 890, 1040, 1079, 1157, 1328, 1424, 1660, 1780, 2039, 2158, 2314, 3320, 3560, 4078, 4316, 4628, 5395, 5785, 6640, 7120, 7387, 8156, 8632, 9256, 10195, 10790, 11570, 14774, 16312, 17264, 18512, 20390, 21580, 23140, 26507, 29548, 32624, 36935, 40780, 43160, 46280, 53014, 59096, 73870, 81560, 86320, 92560, 96031, 106028, 118192, 132535, 147740, 163120, 169237, 181471, 192062, 212056, 265070, 295480, 338474, 362942, 384124, 424112, 480155, 530140, 590960, 676948, 725884, 768248, 846185, 907355, 960310, 1060280, 1353896, 1451768, 1536496, 1692370, 1814710, 1920620, 2120560, 2200081, 2359123, 2707792, 2903536, 3384740, 3629420, 3841240, 4400162, 4718246, 6769480, 7258840, 7682480, 8800324, 9436492, 11000405, 11795615, 13538960, 14517680, 15062093, 17600648, 18872984, 22000810, 23591230, 30124186, 35201296, 37745968, 44001620, 47182460, 60248372, 75310465, 88003240, 94364920, 120496744, 150620930, 176006480, 188729840, 195807209, 240993488, 301241860, 391614418, 602483720, 783228836, 979036045, 1204967440, 1566457672, 1958072090, 3132915344, 3916144180, 7832288360, 15664576720]

約数ペア:

[(1, 15664576720), (2, 7832288360), (4, 3916144180), (5, 3132915344), (8, 1958072090), (10, 1566457672), (13, 1204967440), (16, 979036045), (20, 783228836), (26, 602483720), (40, 391614418), (52, 301241860), (65, 240993488), (80, 195807209), (83, 188729840), (89, 176006480), (104, 150620930), (130, 120496744), (166, 94364920), (178, 88003240), (208, 75310465), (260, 60248372), (332, 47182460), (356, 44001620), (415, 37745968), (445, 35201296), (520, 30124186), (664, 23591230), (712, 22000810), (830, 18872984), (890, 17600648), (1040, 15062093), (1079, 14517680), (1157, 13538960), (1328, 11795615), (1424, 11000405), (1660, 9436492), (1780, 8800324), (2039, 7682480), (2158, 7258840), (2314, 6769480), (3320, 4718246), (3560, 4400162), (4078, 3841240), (4316, 3629420), (4628, 3384740), (5395, 2903536), (5785, 2707792), (6640, 2359123), (7120, 2200081), (7387, 2120560), (8156, 1920620), (8632, 1814710), (9256, 1692370), (10195, 1536496), (10790, 1451768), (11570, 1353896), (14774, 1060280), (16312, 960310), (17264, 907355), (18512, 846185), (20390, 768248), (21580, 725884), (23140, 676948), (26507, 590960), (29548, 530140), (32624, 480155), (36935, 424112), (40780, 384124), (43160, 362942), (46280, 338474), (53014, 295480), (59096, 265070), (73870, 212056), (81560, 192062), (86320, 181471), (92560, 169237), (96031, 163120), (106028, 147740), (118192, 132535)]