78979760

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{577}}^1$

素因数の和:678

約数の個数: 80

約数和(自身を含む): 193514400

約数和(自身を除く): 114534640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 59, 80, 116, 118, 145, 232, 236, 290, 295, 464, 472, 577, 580, 590, 944, 1154, 1160, 1180, 1711, 2308, 2320, 2360, 2885, 3422, 4616, 4720, 5770, 6844, 8555, 9232, 11540, 13688, 16733, 17110, 23080, 27376, 33466, 34043, 34220, 46160, 66932, 68086, 68440, 83665, 133864, 136172, 136880, 167330, 170215, 267728, 272344, 334660, 340430, 544688, 669320, 680860, 987247, 1338640, 1361720, 1974494, 2723440, 3948988, 4936235, 7897976, 9872470, 15795952, 19744940, 39489880, 78979760]

約数ペア:

[(1, 78979760), (2, 39489880), (4, 19744940), (5, 15795952), (8, 9872470), (10, 7897976), (16, 4936235), (20, 3948988), (29, 2723440), (40, 1974494), (58, 1361720), (59, 1338640), (80, 987247), (116, 680860), (118, 669320), (145, 544688), (232, 340430), (236, 334660), (290, 272344), (295, 267728), (464, 170215), (472, 167330), (577, 136880), (580, 136172), (590, 133864), (944, 83665), (1154, 68440), (1160, 68086), (1180, 66932), (1711, 46160), (2308, 34220), (2320, 34043), (2360, 33466), (2885, 27376), (3422, 23080), (4616, 17110), (4720, 16733), (5770, 13688), (6844, 11540), (8555, 9232)]