400082280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8273}}^1$

素因数の和:8331

約数の個数: 128

約数和(自身を含む): 1334430720

約数和(自身を除く): 934348440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 31, 39, 40, 52, 60, 62, 65, 78, 93, 104, 120, 124, 130, 155, 156, 186, 195, 248, 260, 310, 312, 372, 390, 403, 465, 520, 620, 744, 780, 806, 930, 1209, 1240, 1560, 1612, 1860, 2015, 2418, 3224, 3720, 4030, 4836, 6045, 8060, 8273, 9672, 12090, 16120, 16546, 24180, 24819, 33092, 41365, 48360, 49638, 66184, 82730, 99276, 107549, 124095, 165460, 198552, 215098, 248190, 256463, 322647, 330920, 430196, 496380, 512926, 537745, 645294, 769389, 860392, 992760, 1025852, 1075490, 1282315, 1290588, 1538778, 1613235, 2051704, 2150980, 2564630, 2581176, 3077556, 3226470, 3334019, 3846945, 4301960, 5129260, 6155112, 6452940, 6668038, 7693890, 10002057, 10258520, 12905880, 13336076, 15387780, 16670095, 20004114, 26672152, 30775560, 33340190, 40008228, 50010285, 66680380, 80016456, 100020570, 133360760, 200041140, 400082280]

約数ペア:

[(1, 400082280), (2, 200041140), (3, 133360760), (4, 100020570), (5, 80016456), (6, 66680380), (8, 50010285), (10, 40008228), (12, 33340190), (13, 30775560), (15, 26672152), (20, 20004114), (24, 16670095), (26, 15387780), (30, 13336076), (31, 12905880), (39, 10258520), (40, 10002057), (52, 7693890), (60, 6668038), (62, 6452940), (65, 6155112), (78, 5129260), (93, 4301960), (104, 3846945), (120, 3334019), (124, 3226470), (130, 3077556), (155, 2581176), (156, 2564630), (186, 2150980), (195, 2051704), (248, 1613235), (260, 1538778), (310, 1290588), (312, 1282315), (372, 1075490), (390, 1025852), (403, 992760), (465, 860392), (520, 769389), (620, 645294), (744, 537745), (780, 512926), (806, 496380), (930, 430196), (1209, 330920), (1240, 322647), (1560, 256463), (1612, 248190), (1860, 215098), (2015, 198552), (2418, 165460), (3224, 124095), (3720, 107549), (4030, 99276), (4836, 82730), (6045, 66184), (8060, 49638), (8273, 48360), (9672, 41365), (12090, 33092), (16120, 24819), (16546, 24180)]