204981570

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{557}}^1$

素因数の和:649

約数の個数: 128

約数和(自身を含む): 578534400

約数和(自身を除く): 373552830

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 29, 30, 45, 47, 54, 58, 87, 90, 94, 135, 141, 145, 174, 235, 261, 270, 282, 290, 423, 435, 470, 522, 557, 705, 783, 846, 870, 1114, 1269, 1305, 1363, 1410, 1566, 1671, 2115, 2538, 2610, 2726, 2785, 3342, 3915, 4089, 4230, 5013, 5570, 6345, 6815, 7830, 8178, 8355, 10026, 12267, 12690, 13630, 15039, 16153, 16710, 20445, 24534, 25065, 26179, 30078, 32306, 36801, 40890, 48459, 50130, 52358, 61335, 73602, 75195, 78537, 80765, 96918, 122670, 130895, 145377, 150390, 157074, 161530, 184005, 235611, 242295, 261790, 290754, 368010, 392685, 436131, 471222, 484590, 706833, 726885, 759191, 785370, 872262, 1178055, 1413666, 1453770, 1518382, 2180655, 2277573, 2356110, 3534165, 3795955, 4361310, 4555146, 6832719, 7068330, 7591910, 11387865, 13665438, 20498157, 22775730, 34163595, 40996314, 68327190, 102490785, 204981570]

約数ペア:

[(1, 204981570), (2, 102490785), (3, 68327190), (5, 40996314), (6, 34163595), (9, 22775730), (10, 20498157), (15, 13665438), (18, 11387865), (27, 7591910), (29, 7068330), (30, 6832719), (45, 4555146), (47, 4361310), (54, 3795955), (58, 3534165), (87, 2356110), (90, 2277573), (94, 2180655), (135, 1518382), (141, 1453770), (145, 1413666), (174, 1178055), (235, 872262), (261, 785370), (270, 759191), (282, 726885), (290, 706833), (423, 484590), (435, 471222), (470, 436131), (522, 392685), (557, 368010), (705, 290754), (783, 261790), (846, 242295), (870, 235611), (1114, 184005), (1269, 161530), (1305, 157074), (1363, 150390), (1410, 145377), (1566, 130895), (1671, 122670), (2115, 96918), (2538, 80765), (2610, 78537), (2726, 75195), (2785, 73602), (3342, 61335), (3915, 52358), (4089, 50130), (4230, 48459), (5013, 40890), (5570, 36801), (6345, 32306), (6815, 30078), (7830, 26179), (8178, 25065), (8355, 24534), (10026, 20445), (12267, 16710), (12690, 16153), (13630, 15039)]