78282280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:203

約数の個数: 128

約数和(自身を含む): 201398400

約数和(自身を除く): 123116120

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 73, 76, 83, 85, 95, 136, 146, 152, 166, 170, 190, 292, 323, 332, 340, 365, 380, 415, 584, 646, 664, 680, 730, 760, 830, 1241, 1292, 1387, 1411, 1460, 1577, 1615, 1660, 2482, 2584, 2774, 2822, 2920, 3154, 3230, 3320, 4964, 5548, 5644, 6059, 6205, 6308, 6460, 6935, 7055, 7885, 9928, 11096, 11288, 12118, 12410, 12616, 12920, 13870, 14110, 15770, 23579, 24236, 24820, 26809, 27740, 28220, 30295, 31540, 47158, 48472, 49640, 53618, 55480, 56440, 60590, 63080, 94316, 103003, 107236, 115121, 117895, 121180, 134045, 188632, 206006, 214472, 230242, 235790, 242360, 268090, 412012, 460484, 471580, 515015, 536180, 575605, 824024, 920968, 943160, 1030030, 1072360, 1151210, 1957057, 2060060, 2302420, 3914114, 4120120, 4604840, 7828228, 9785285, 15656456, 19570570, 39141140, 78282280]

約数ペア:

[(1, 78282280), (2, 39141140), (4, 19570570), (5, 15656456), (8, 9785285), (10, 7828228), (17, 4604840), (19, 4120120), (20, 3914114), (34, 2302420), (38, 2060060), (40, 1957057), (68, 1151210), (73, 1072360), (76, 1030030), (83, 943160), (85, 920968), (95, 824024), (136, 575605), (146, 536180), (152, 515015), (166, 471580), (170, 460484), (190, 412012), (292, 268090), (323, 242360), (332, 235790), (340, 230242), (365, 214472), (380, 206006), (415, 188632), (584, 134045), (646, 121180), (664, 117895), (680, 115121), (730, 107236), (760, 103003), (830, 94316), (1241, 63080), (1292, 60590), (1387, 56440), (1411, 55480), (1460, 53618), (1577, 49640), (1615, 48472), (1660, 47158), (2482, 31540), (2584, 30295), (2774, 28220), (2822, 27740), (2920, 26809), (3154, 24820), (3230, 24236), (3320, 23579), (4964, 15770), (5548, 14110), (5644, 13870), (6059, 12920), (6205, 12616), (6308, 12410), (6460, 12118), (6935, 11288), (7055, 11096), (7885, 9928)]