819404820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{1453}}^1$

素因数の和:1722

約数の個数: 144

約数和(自身を含む): 2689678992

約数和(自身を除く): 1870274172

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 241, 260, 390, 468, 482, 585, 723, 780, 964, 1170, 1205, 1446, 1453, 2169, 2340, 2410, 2892, 2906, 3133, 3615, 4338, 4359, 4820, 5812, 6266, 7230, 7265, 8676, 8718, 9399, 10845, 12532, 13077, 14460, 14530, 15665, 17436, 18798, 18889, 21690, 21795, 26154, 28197, 29060, 31330, 37596, 37778, 43380, 43590, 46995, 52308, 56394, 56667, 62660, 65385, 75556, 87180, 93990, 94445, 112788, 113334, 130770, 140985, 170001, 187980, 188890, 226668, 261540, 281970, 283335, 340002, 350173, 377780, 563940, 566670, 680004, 700346, 850005, 1050519, 1133340, 1400692, 1700010, 1750865, 2101038, 3151557, 3400020, 3501730, 4202076, 4552249, 5252595, 6303114, 7003460, 9104498, 10505190, 12606228, 13656747, 15757785, 18208996, 21010380, 22761245, 27313494, 31515570, 40970241, 45522490, 54626988, 63031140, 68283735, 81940482, 91044980, 136567470, 163880964, 204851205, 273134940, 409702410, 819404820]

約数ペア:

[(1, 819404820), (2, 409702410), (3, 273134940), (4, 204851205), (5, 163880964), (6, 136567470), (9, 91044980), (10, 81940482), (12, 68283735), (13, 63031140), (15, 54626988), (18, 45522490), (20, 40970241), (26, 31515570), (30, 27313494), (36, 22761245), (39, 21010380), (45, 18208996), (52, 15757785), (60, 13656747), (65, 12606228), (78, 10505190), (90, 9104498), (117, 7003460), (130, 6303114), (156, 5252595), (180, 4552249), (195, 4202076), (234, 3501730), (241, 3400020), (260, 3151557), (390, 2101038), (468, 1750865), (482, 1700010), (585, 1400692), (723, 1133340), (780, 1050519), (964, 850005), (1170, 700346), (1205, 680004), (1446, 566670), (1453, 563940), (2169, 377780), (2340, 350173), (2410, 340002), (2892, 283335), (2906, 281970), (3133, 261540), (3615, 226668), (4338, 188890), (4359, 187980), (4820, 170001), (5812, 140985), (6266, 130770), (7230, 113334), (7265, 112788), (8676, 94445), (8718, 93990), (9399, 87180), (10845, 75556), (12532, 65385), (13077, 62660), (14460, 56667), (14530, 56394), (15665, 52308), (17436, 46995), (18798, 43590), (18889, 43380), (21690, 37778), (21795, 37596), (26154, 31330), (28197, 29060)]