1791286640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5051}}^1$

素因数の和:5119

約数の個数: 160

約数和(自身を含む): 5051676672

約数和(自身を除く): 3260390032

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 31, 40, 44, 52, 55, 62, 65, 80, 88, 104, 110, 124, 130, 143, 155, 176, 208, 220, 248, 260, 286, 310, 341, 403, 440, 496, 520, 572, 620, 682, 715, 806, 880, 1040, 1144, 1240, 1364, 1430, 1612, 1705, 2015, 2288, 2480, 2728, 2860, 3224, 3410, 4030, 4433, 5051, 5456, 5720, 6448, 6820, 8060, 8866, 10102, 11440, 13640, 16120, 17732, 20204, 22165, 25255, 27280, 32240, 35464, 40408, 44330, 50510, 55561, 65663, 70928, 80816, 88660, 101020, 111122, 131326, 156581, 177320, 202040, 222244, 262652, 277805, 313162, 328315, 354640, 404080, 444488, 525304, 555610, 626324, 656630, 722293, 782905, 888976, 1050608, 1111220, 1252648, 1313260, 1444586, 1565810, 1722391, 2035553, 2222440, 2505296, 2626520, 2889172, 3131620, 3444782, 3611465, 4071106, 4444880, 5253040, 5778344, 6263240, 6889564, 7222930, 8142212, 8611955, 10177765, 11556688, 12526480, 13779128, 14445860, 16284424, 17223910, 20355530, 22391083, 27558256, 28891720, 32568848, 34447820, 40711060, 44782166, 57783440, 68895640, 81422120, 89564332, 111955415, 137791280, 162844240, 179128664, 223910830, 358257328, 447821660, 895643320, 1791286640]

約数ペア:

[(1, 1791286640), (2, 895643320), (4, 447821660), (5, 358257328), (8, 223910830), (10, 179128664), (11, 162844240), (13, 137791280), (16, 111955415), (20, 89564332), (22, 81422120), (26, 68895640), (31, 57783440), (40, 44782166), (44, 40711060), (52, 34447820), (55, 32568848), (62, 28891720), (65, 27558256), (80, 22391083), (88, 20355530), (104, 17223910), (110, 16284424), (124, 14445860), (130, 13779128), (143, 12526480), (155, 11556688), (176, 10177765), (208, 8611955), (220, 8142212), (248, 7222930), (260, 6889564), (286, 6263240), (310, 5778344), (341, 5253040), (403, 4444880), (440, 4071106), (496, 3611465), (520, 3444782), (572, 3131620), (620, 2889172), (682, 2626520), (715, 2505296), (806, 2222440), (880, 2035553), (1040, 1722391), (1144, 1565810), (1240, 1444586), (1364, 1313260), (1430, 1252648), (1612, 1111220), (1705, 1050608), (2015, 888976), (2288, 782905), (2480, 722293), (2728, 656630), (2860, 626324), (3224, 555610), (3410, 525304), (4030, 444488), (4433, 404080), (5051, 354640), (5456, 328315), (5720, 313162), (6448, 277805), (6820, 262652), (8060, 222244), (8866, 202040), (10102, 177320), (11440, 156581), (13640, 131326), (16120, 111122), (17732, 101020), (20204, 88660), (22165, 80816), (25255, 70928), (27280, 65663), (32240, 55561), (35464, 50510), (40408, 44330)]