78538980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5923}}^1$

素因数の和:5965

約数の個数: 96

約数和(自身を含む): 250798464

約数和(自身を除く): 172259484

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 26, 30, 34, 39, 51, 52, 60, 65, 68, 78, 85, 102, 130, 156, 170, 195, 204, 221, 255, 260, 340, 390, 442, 510, 663, 780, 884, 1020, 1105, 1326, 2210, 2652, 3315, 4420, 5923, 6630, 11846, 13260, 17769, 23692, 29615, 35538, 59230, 71076, 76999, 88845, 100691, 118460, 153998, 177690, 201382, 230997, 302073, 307996, 355380, 384995, 402764, 461994, 503455, 604146, 769990, 923988, 1006910, 1154985, 1208292, 1308983, 1510365, 1539980, 2013820, 2309970, 2617966, 3020730, 3926949, 4619940, 5235932, 6041460, 6544915, 7853898, 13089830, 15707796, 19634745, 26179660, 39269490, 78538980]

約数ペア:

[(1, 78538980), (2, 39269490), (3, 26179660), (4, 19634745), (5, 15707796), (6, 13089830), (10, 7853898), (12, 6544915), (13, 6041460), (15, 5235932), (17, 4619940), (20, 3926949), (26, 3020730), (30, 2617966), (34, 2309970), (39, 2013820), (51, 1539980), (52, 1510365), (60, 1308983), (65, 1208292), (68, 1154985), (78, 1006910), (85, 923988), (102, 769990), (130, 604146), (156, 503455), (170, 461994), (195, 402764), (204, 384995), (221, 355380), (255, 307996), (260, 302073), (340, 230997), (390, 201382), (442, 177690), (510, 153998), (663, 118460), (780, 100691), (884, 88845), (1020, 76999), (1105, 71076), (1326, 59230), (2210, 35538), (2652, 29615), (3315, 23692), (4420, 17769), (5923, 13260), (6630, 11846)]