128937900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4723}}^1$

素因数の和:4760

約数の個数: 144

約数和(自身を含む): 459248384

約数和(自身を除く): 330310484

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 25, 26, 28, 30, 35, 39, 42, 50, 52, 60, 65, 70, 75, 78, 84, 91, 100, 105, 130, 140, 150, 156, 175, 182, 195, 210, 260, 273, 300, 325, 350, 364, 390, 420, 455, 525, 546, 650, 700, 780, 910, 975, 1050, 1092, 1300, 1365, 1820, 1950, 2100, 2275, 2730, 3900, 4550, 4723, 5460, 6825, 9100, 9446, 13650, 14169, 18892, 23615, 27300, 28338, 33061, 47230, 56676, 61399, 66122, 70845, 94460, 99183, 118075, 122798, 132244, 141690, 165305, 184197, 198366, 236150, 245596, 283380, 306995, 330610, 354225, 368394, 396732, 429793, 472300, 495915, 613990, 661220, 708450, 736788, 826525, 859586, 920985, 991830, 1227980, 1289379, 1416900, 1534975, 1653050, 1719172, 1841970, 1983660, 2148965, 2479575, 2578758, 3069950, 3306100, 3683940, 4297930, 4604925, 4959150, 5157516, 6139900, 6446895, 8595860, 9209850, 9918300, 10744825, 12893790, 18419700, 21489650, 25787580, 32234475, 42979300, 64468950, 128937900]

約数ペア:

[(1, 128937900), (2, 64468950), (3, 42979300), (4, 32234475), (5, 25787580), (6, 21489650), (7, 18419700), (10, 12893790), (12, 10744825), (13, 9918300), (14, 9209850), (15, 8595860), (20, 6446895), (21, 6139900), (25, 5157516), (26, 4959150), (28, 4604925), (30, 4297930), (35, 3683940), (39, 3306100), (42, 3069950), (50, 2578758), (52, 2479575), (60, 2148965), (65, 1983660), (70, 1841970), (75, 1719172), (78, 1653050), (84, 1534975), (91, 1416900), (100, 1289379), (105, 1227980), (130, 991830), (140, 920985), (150, 859586), (156, 826525), (175, 736788), (182, 708450), (195, 661220), (210, 613990), (260, 495915), (273, 472300), (300, 429793), (325, 396732), (350, 368394), (364, 354225), (390, 330610), (420, 306995), (455, 283380), (525, 245596), (546, 236150), (650, 198366), (700, 184197), (780, 165305), (910, 141690), (975, 132244), (1050, 122798), (1092, 118075), (1300, 99183), (1365, 94460), (1820, 70845), (1950, 66122), (2100, 61399), (2275, 56676), (2730, 47230), (3900, 33061), (4550, 28338), (4723, 27300), (5460, 23615), (6825, 18892), (9100, 14169), (9446, 13650)]